Mekonnen, A. B., and A. S. Bhagavathula. “INAPPROPRIATE MEDICATION USE IN THE ELDERLY POPULATION ATTENDING GONDAR UNIVERSITY HOSPITAL: A PRELIMINARY ASSESSMENT”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 6, no. 10, Oct. 2014, pp. 540-3, https://journals.innovareacademics.in/index.php/ijpps/article/view/3588.