GUO YONGKUN, Albattat A, NORHIDAYAH AZMAN. The Impact of Education Training, Principal’s Supervision on Teacher Performance in Education. ijmras [Internet]. 2023 Aug. 19 [cited 2025 Jan. 18];6(08):01-17. Available from: https://mail.ijmras.com/index.php/ijmras/article/view/621