Rosnas Syazwana Zakaria, Roslinawati Jaafar. Public Service Announcement (2D) - Insomnia (Sleep Disorder). JTeC [Internet]. 2022 Oct. 18 [cited 2026 Apr. 17];7(1):48-54. Available from: https://ejournal.unikl.edu.my/index.php/JTeC/article/view/820