Fatima, F., S. Ali, K. Qamar, S. Bibi, and S. Fatima. “Investigation of Insomnia Among Students At The University Level: A Cross-Sectional Analysis”. Pakistan Armed Forces Medical Journal (PAFMJ), Vol. 72, no. 1, Mar. 2022, pp. 296-98, doi:10.51253/pafmj.v72i1.6998.