Shanmugam, Punithan, and Riyan Hidayat. “Assessing Grit and Well-Being of Malaysian ESL Teachers: Application of the PERMA Model”. Malaysian Journal of Learning and Instruction 19, no. 2 (July 31, 2022): 153–181. Accessed September 30, 2026. https://e-journal.uum.edu.my/index.php/mjli/article/view/14672.