Ariffin, F., Ahmad-Roslan, A.M., Isa, M.R. and Shanmunagathan, P. 2022. Development and validation of the Self-efficacy, Knowledge, Attitude and Practice towards Environmental Tobacco Smoke (SE-KAP-ETSQ) in the Malay language for mothers with children below 6 years old. IIUM Medical Journal Malaysia. 21, 3 (Jul. 2022). DOI:https://doi.org/10.31436/imjm.v21i3.1977.