Yahya NA, Md. Sham F. Sejarah dan Simptom Kemurungan : Kajian Literatur: History and Depression Symptoms: A Literature Reviews. JSI [Internet]. 2020 May 31 [cited 2025 Apr. 6];5(1):34-42. Available from: https://sainsinsani.usim.edu.my/index.php/sainsinsani/article/view/130