Muhammad, Shahbaz; Tiwari, Aviral and Muhammad, Nasir (2011): The effects of financial development, economic growth, coal consumption and trade openness on environment performance in South Africa. Unpublished.
Muhammad, Nasir and Muhammad, Shahbaz (2011): War on Terror: Do Military Measures Matter? Empirical Analysis of Post 9/11 Period in Pakistan. Unpublished.
