Hamdi IAH, Meutia N, Ibrahim S, Hamdi T. The Relationship between Stress and Incidence of Sleep Disorder among Students at the Faculty of Medicine Universitas Sumatera Utara. Sumat. Med. J. [Internet]. 2022 May 1 [cited 2025 Nov. 23];5(2). Available from: https://talenta.usu.ac.id/smj/article/view/7988