Marais, Andre, Vanessa Steenkamp, and Elandre Kok. “The Use of Methylphenidate As a Cognitive Enhancer by Health Sciences Students at a South African University: - a Pilot Study”. International journal of Nursing Didactics 7, no. 7 (July 31, 2017): 31–35. Accessed May 4, 2024. http://innovativejournal.in/index.php/ijnd/article/view/1852.