1.
Yazid HA, Mohd Sa’ad F. Validity and Reliability of the Patient Health Questionnaire (PHQ-9) Instrument among School Students. JPB [Internet]. 2024 Nov. 11 [cited 2024 Nov. 21];17:59-70. Available from: https://ejournal.upsi.edu.my/index.php/JPB/article/view/10533