Hassan, H., Z. Said, and N. Ibrahim. “Validity and Reliability of Beck Depression Inventory (BDI) Bahasa Melayu Version: A Pilot Study on Public Servants Having Symptoms of Depression”. Linguistics and Culture Review, vol. 6, no. S4, Nov. 2021, pp. 1-12, doi:10.21744/lingcure.v6n4.1898.