Singh, D. K. A., P. Subramaniam, N. N. . A. Ab.Rahman, F. Z. Rusly, and S. E. Ghazali. “Knowledge and Attitude towards Ageing Among Health Science University Students”. Journal of Liaquat University of Medical & Health Sciences, vol. 17, no. 01, Apr. 2019, pp. 36-41, http://ojs.lumhs.edu.pk/index.php/jlumhs/article/view/46.