Taqabli Siyasi Nizam (Comparative Political System) by Sahir Bukhari, Tanveer Bukhari, Noor Ul Iman

Allama Iqbal Open University, Azad Jammu Kashmir University, Bahauddin Zakariya University, GCU Faisalabad, Islamia University Bahawalpur, Punjab University, Sargodha University, University of Balochistan, University of Gujrat