Bin Muslin, M.K., Bin Mahmud, M.I. and Binti Ku Johari@Ku Ali, K.S. 2025. Validity and Reliability of the H.E.A.T Module toward Self-Efficacy, Self-Assertiveness and Self-Esteem among Bullying Victims. Asian Journal of Interdisciplinary Research. 8, 4 (Dec. 2025), 111–129. DOI:https://doi.org/10.54392/ajir2547.