Hafeez, Shakir, Aman Ullah Khan, Bilal Bin Saeed, and Yasir Javed. “Relationship Among Perceived Stress, Academic Performance and Use of Energy Drinks: A Study on Universities’ and Medical Students of Khyber Pakhtunkhwa Province of Pakistan”. International Review of Management and Marketing 6, no. 3 (July 21, 2016): 494–499. Accessed April 30, 2024. https://www.econjournals.com/index.php/irmm/article/view/2421.