Norshahira, Osman, S. R., Norashida, and Z. M. Lukman. 2021. “Content Validity Determination of the Suicidal Ideation Behaviour Assessment Instruments Using Content Validity Ratio (CVR) Formula: SUICIDAL IDEATION BEHAVIOUR ASSESSMENT”. Journal of Drug Delivery and Therapeutics 11 (4-S): 81-85. https://doi.org/10.22270/jddt.v11i4-S.4968.