Yusof, Muhammad Suhaimi Mohd, Abd Rahim Romle, Mashitah Mohd Udin, Mohd Khirul Azwan Mohd Kamal, and Muhammad Aqmarul Azri Azmi. 2016. “The Origin of Oil Plunge in Political Economy and Aftermath on the Oil Price”. International Journal of Economics and Financial Issues 6 (3S):125-29. https://econjournals.com./index.php/ijefi/article/view/2620.