Hafeez, S., Khan, A. U., Saeed, B. B., & Javed, Y. (2016). 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(3), 494–499. Retrieved from https://www.econjournals.com/index.php/irmm/article/view/2421