Jaffery, Anis Hussain, and Maneeza Kishwar. “STUDENT’S PERCEPTION OF EDUCATIONAL ENVIRONMENT AND THEIR ACADEMIC PERFORMANCE; ARE THEY RELATED?”. Pakistan Armed Forces Medical Journal, vol. 69, no. 6, Dec. 2019, pp. 1267-71, https://pafmj.org/PAFMJ/article/view/3648.