NOOR ASMAHAN ABDULLAH; SITI NOOR ISMAIL; MARINI KASSIM. PROFESSIONAL COMPETENCY INSTRUMENT: DEVELOPMENT AND VALIDATION OF A FOUR-FACTOR MODEL. INTERNATIONAL JOURNAL OF EDUCATION, PSYCHOLOGY AND COUNSELLING (IJEPC), [S. l.], v. 10, n. 58, 2025. DOI: 10.35631/IJEPC.1058001. Disponível em: https://gaexcellence.com/ijepc/article/view/5237. Acesso em: 17 jun. 2025.