1. Adnan S. 2009. Agro-climatic classification of Pakistan. MSc Thesis. Islamabad, Pakistan: COMSATS Institute of Information Technology (CIIT). [2014-10-29]. https://www.researchgate.net/publication/261700354_Agroclimatic_Classification_of_Pakistan.
2. Adnan S, Khan A H. 2009. Effective rainfall for irrigated agriculture plains of Pakistan. Pakistan Journal of Meteorology, 6(11): 61–72.
3. Adnan S, Ullah K, Gao S. 2016. Investigations into precipitation and drought climatology in South Central Asia with special focus on Pakistan over the period 1951–2010. Journal of Climate, 29(16): 6019–6035.
4. Adnan S, Ullah K, Gao S, et al. 2017. Shifting of agro-climatic zones, their drought vulnerability, and precipitation and temperature trends in Pakistan. International Journal of Climatology, 37(Suppl.): 529–543.
5. Afzaal M, Haroon M A, Zaman Q U. 2009. Interdecadal oscillations and the warming trend in the area-weighted annual mean temperature of Pakistan. Pakistan Journal of Meteorology, 6(11): 13–19.