Daniel Haqeem, and D. N. Zulkifli. “The Opec Oil Price Shock Crisis (1973) And The Actions Taken By The United States: Factor That Contribute to The Oil Change”. Asia Pacific Journal of Social Science Research, Vol. 7, no. 1, Mar. 2022, https://abrn.asia/ojs/index.php/apjssr/article/view/122.