Abdul Halim, N., M. Md Yasin, H. N. Miptah, and N. Ismail. “The Avoidance Practice and Its Association With Self-Efficacy, Knowledge and Attitude Among Mothers With Children under 6 Years Old on Environmental Tobacco Smoke Exposure to Their Children in Selangor”. IIUM Medical Journal Malaysia, vol. 24, no. 04, Oct. 2025, doi:10.31436/imjm.v24i04.2783.