Rafiq, M., Ahmad, I., & Tazeem, T., 1983. A geological map of the surrounding of the Peshawar plain. Geol. Bull. Univ. of Peshawar, v.16.

Khattak, M. U. K., Ahmad, I., Ahmad, J., & Ahmad, A., 1984. A note on occurrence of blue quartz in Rustam, Mardan district, Pakistan, Geol. Bull. Univ. of Peshawar, v. 17, p.174-75.

Khattak, M. U. K., Ahmad, I., Ahmad, J., & Ahmad, A., 1984.Carbonatite body near Khungai, Rustam area, district Mardan, North Pakistan. Geol. Bull. Univ. of Peshawar, v. 17, p.175-176.

Rafiq, M., Shah, M. T., & Ahmad, I., 1984. Note on tremolite zone from the extension of Sakhakot-Qila ultramafic complex in Utman Khel, Mohmand Agency. Geol. Bull. Univ. of Peshawar, v. 17, p.178-79.
 
Rafiq, M., Ahmad, I., & Shah, M. T., 1984. Major faults and lineaments of the surrounding of the Peshawar plain. Geol. Bull. Univ. of Peshawar, v. 17.

Ahmad, I., Hamidullah, S., & Jehan, N., 1990. Petrology of the Shewa-Shahbaz Garhi complex, Mardan North Pakistan. Geol. Bull. Univ. of Peshawar, v. 23, p. 135-159.

Ahmad, I., & Lawrence, R. D., 1992. Structure and Metamorphism of the Chakdara area northwest of the Swat River, Pakistan. Geol. Bull. Univ. of Peshawar, v. 25, p. 95-112.

Durrani, K. P., & Ahmad, I., 1992. Evidence of Salt-tectonics in the Trans-Indus Salt Ranges, N.W.F.P., Pakistan. Geol. Bull. Univ. of Peshawar, v. 25, p. 133-134.

DiPietro, J. A., Pogue, K. R., Lawrence, R. D., Baig, M. S., Hussain, A., & Ahmad, I., 1993. Stratigraphy south of the Main Mantle Thrust, Lower Swat, Pakistan, Treloar, P.J. and Searle M.P (eds), Himalayan Tectonic Geological Society of London Special Publication No.74, p.
207-220.

DiPietro, J. A., & Ahmad, I., 1995. Tectonic setting of the Ahingaro serpentinite zone within Kohistan arc complex, Swat, Pakistan. Geol. Bull. Univ. of Peshawar, v.28, p.27-29.
           
DiPietro, J. A., Pogue, K. R., Baig, M. S., Hussain, A., & Ahmad, I., 1995. Preliminary Geologic Map of the Indus Syntaxis, Pakistan. 10th Himalaya Karakoram Tibet Workshop. Abstract volume, ETH Conference Center, Canton Ticino Switzerland, 4-8 April.         
           
DiPietro, J. A., Pogue, K. R., Hussain, A., & Ahmad, I., 1996. Precambrian rock of the Black mountains NW Himalaya Pakistan. 11th Himalaya Karakoram Tibet Workshop. Abstract volume, Flagstaff Arizona (USA), 29th April to May 1st, p. 44-45.

DiPietro, J. A., Ahmad, I., & Hussain, A., 1997. Field evidence on the emplacement of the Dargai mafic/ultramafic complex, Malakand area, Pakistan. 12th Himalaya Karakoram Tibet International Workshop16-18 April. Abstract volume, Accademia Nazionale dei Lincei and Soceita Geografica Italiana Roma, Italy, p. 25-26.

Hamidullah, S., Jehan, N., & Ahmad, I., 1997. Economic and environmental study of asbestos from Skhakot-Qila Ultramafic Complex, N. Pakistan. Abst. Nat. Symp. On Economic Geology of Pakistan. Organizers: Pakistan Museum of Natural History & Pakistan Science Foundation, Islamabad; April 2-3, 1997.

Ahmad, I., Lawrence, R. D., & DiPietro, J. A., 1998. Olistostromal blocks in metamorphosed Saidu melange, Malakand Agency, north Pakistan. Abstract volume (special issue) Geol. Bull. Univ. of Peshawar, v.31, p. 1-3.
DiPietro, J. A., Ahmad, I., & Hussain, A., 1998. Tectonics of the Indus suture zone in Northwest Pakistan. Abstract volume (special issue) Geol. Bull. Univ. of Peshawar, v.31, p. 53-55.

DiPietro, J. A., Pogue, K. R., Hussain, A., & Ahmad, I., 1999. Geologic map of the Indus syntaxis and surrounding area, northwest Himalaya, Pakistan. Geological Society of America, Special paper 328, p. 159-178.

Ahmad, I., DiPietro, J. A., & Jan, M. Q., 1999. Structure and Metamorphism south of the Malakand and surrounding areas, northern Pakistan. 14th Himalaya Karakoram Tibet International Workshop 24-26 March. Abstract volume. Terra Nostra, Schriften der Alfred-Wegenar-Stiftung 99/2, p.1-2.

DiPietro, J. A., Hussain, A., & Ahmad, I., & Khan, M. A., 1999. The character of the Main Mantle Thrust in Pakistan. 14th Himalaya Karakoram Tibet International Workshop 24-26 March. Abstract volume. Terra Nostra, Schriften der Alfred-Wegenar-Stiftung 99/2, p. 32-33.

Ahmad, S., Ali, F., Sayab, M., Ahmad, I., & Hamidullah, S. 1999. Structural geometry of the Himalayan frontal thrust zone: Surghar Range, Pakistan. Geol. Bull. Univ. of Peshawar, v. 32, p. 13-23.

Ahmad, I., Jan, M. Q., & LeFort, P. 1999. Unusual Ti, Fe, Mn and Ba silicates in alkaline granites from Mardan, Northern Pakistan. Geol. Bull. Univ. of Peshawar, v. 32, p. 57-62.

Jan, M. Q., Ahmad, I., & DiPietro, J. A. 1999. Mineralogy of a carbonatite-related fenite in Lower Swat, Northern Pakistan. Geol. Bull. Univ. of Peshawar, v. 32, p. 71-75.

DiPietro, J. A., Hussain, A., & Ahmad, I., & Khan, M. A., 2000. The Main Mantle thrust in Pakistan: Its character and extent. Tectonics of the western Himalaya and Karakoram, M.A. Khan, M.Q. Jan, P.J. Treloar, and M.P. Searle editors. Geological Society of London, Special publications, 170, p. 375-393.

Hamidullah, S., Jehan, N., & Ahmad, I., 2000. Economic and environmental study of asbestos from Skhakot-Qila Ultramafic Complex, N. Pakistan. Economic Geology of Pakistan. p. 173-182.

Ahmad, I., & DiPietro, J. A., 2000. Analysis of folds south of Malakand and adjoining areas, north Pakistan. Abstract Volume, Earth Science Frontiers (China University of Geosciences, Beijing) 15th HKT April 24th –26, p. 72-73.

Ahmad, I., & Jan, M. Q., 2000. Barium, Titanium and Manganese-bearing silicate mineral phases from Shewa-Shahbazgarhi complex, Mardan, northern Pakistan. Abstract, Third South Asia Geological Congress Lahore, Pakistan, September 23-26, 2000, p. 131-133.

Ali, F., Ahmad, S., Ahmad, I., & Hamidullah, S., 2000. Imprints of transpressional  deformation on the southern Kohat Plateau, Karak area, NW Himalayas, NWFP, Pakistan. Geol. Bull. Univ. of Peshawar, v. 33, p. 87-95

Jehan, N., & Ahmad, I., 2001. GIS and Epidemiological Studies of Hepatitis B and C in NWFP, (Pakistan), Intl. Symp. On Solid Waste Management in Urban Centers organized by Department of Environmental Engineering, NED University of Engineering and Technology, Karachi (In press

Jehan, N.,  Hamidullah, S. & Ahmad, I., 2002. Establishment of RS/GIS database in Asbestos bearing areas in N. Pakistan. Proceeding of International Seminar on Natural Hazards Monitoring 7-11 January 2002, Karachi Pakistan.  P. 283-296

Jehan, N., Hamidullah, S., Ahmad, I., & Javed, A. 2002. RS/GIS database and epidemiological studies of malignant Mesothelioma and asbestos in N. Pakistan.  Proceedings GIS 2002 International Conference March 11-13, 2002, Le Royal Meridien, Bahrain. p. 267-281.

Khan, S., Hamidullah, S. & Ahmad, I. 2002. Soil pollution caused by industrial effluents. Journal of Science and Technology, 26, p. 41-49.

Khan, S., Hamidullah, S. & Ahmad, I. 2002. On-site waste reduction in textile, steel and chemical industries in Gadoon Amazai Industrial estate, Swabi, Pakistan. Peshawar University Teachers Association Journal, 9, p. 95-102.

Ahmad, I., Jan, M. Q. and DiPietro, J. A., 2003. Age and Tectonic implications of granitoid rocks from the Indian plate of Northern Pakistan. Journal of the Virtual Explorer, 11, p. 13-34.

Ahmad, H., DiPietro, A. J., Pogue, R. K. and Ahmad, I., 2004. Geological map of the 43B degree sheet, N.W.F.P. Pakistan. Geological Survey of Pakistan, Govt. of Pakistan. Ministry of Petroleum and Natural Resources Islamabad.

Ahmad, I., Jan, M. Q. and Jehan, N., 2005. Metamorphic mineral assemblages south of the Malakand and adjoining areas, northern Pakistan. Geol. Bull. Univ. of Peshawar, v. 38, p. 139-148.

Ahmad, I. and Jehan, N. 2005. Structural analysis south of Malakand and adjoining areas, northern Pakistan. Geol. Bull. Univ. of Peshawar, v. 38, p. 31-56.

Jehan, N. and Ahmad, I., 2005. Fibrogenic and carcinogenic charactersitics of asbestos occuring in Mohmand Agency, northern Pakistan. Geol. Bull. Univ. of Peshawar, v. 38, p. 57-64.

                Jehan, N. and Ahmad, I., 2005. Occupational exposure to crystalline silica (quartz) and prevalence of lung diseases in Dhand Killi, Mohmand Agency, northern Pakistan. Geol. Bull. Univ. of Peshawar, v. 38, p.157-161.

Alam, S., Bangash, F. K. and Ahmad, I., (in press). Kinetics of acid blue from aqueous solution by carbonaceous substrate produced from biotic precursor. Chinese Journal of Chemistry.