Yusof, A.A.M., Ismail, W.O.A.S.W., Ibrahim, S.A., Halim, N.A.A. and Karim, M.Z.A. 2026. KEBERKESANAN CALCULADDER TERHADAP KEBIMBANGAN MATEMATIK DAN MOTIVASI MURID SEKOLAH MENENGAH: THE EFFECTIVENESS OF CALCULADDER ON MATHEMATICS ANXIETY AND MOTIVATION OF SECONDARY SCHOOL STUDENTS. INTERNATIONAL JOURNAL OF EDUCATION, PSYCHOLOGY AND COUNSELLING (IJEPC). 11, 64 (Sep. 2026), 874–898. DOI:https://doi.org/10.35631/IJEPC.1164044.