AMAL KHAMIS ABDULLAH AL-HANDHALI, ABU DARDAA BIN MOHAMAD, HASANAH ABD. KHAFIDZ. EFFECT OF ONLINE TRAINING ON PROFESSIONAL AND TECHNICAL COMPETENCE DEVELOPMENT IN SCHOOL PRINCIPALS IN OMAN. TPM [Internet]. 2025 Oct. 10 [cited 2026 Mar. 15];32(4- December):910-24. Available from: https://tpmap.org/submission/index.php/tpm/article/view/3272