Aamer Raza, Muhammad Atif, Muhammad Hussain, Muaaz Sayed. “The War on Terror and US Foreign Policy: The Transition from Obama’s Af-Pak Policy to Trump’s Negotiations With the Taliban”. Competitive Education Research Journal, vol. 2, no. 4, Dec. 2021, pp. 33-40, https://cerjournal.com/index.php/cerjournal/article/view/59.