Shahbaz, Muhammad; Shabbir, Shahbaz Muhammad and Butt, Muhammad Sabihuddin (2011): Does Military Spending Explode External Debt in Pakistan? Unpublished.
Shahbaz, Muhammad; Shabbir, Shahbaz Muhammad and Butt, Muhammad Sabihuddin (2011): Effect of financial development on agricultural growth in Pakistan: new extensions from bounds test to level relationships and granger causality tests. Unpublished.
Zafar, Sabahat and Butt, Muhammad Sabihuddin (2008): Impact of Trade Liberalization on External Debt Burden: Econometric Evidence from Pakistan. Unpublished.
