N. Leenna Bte Abdul Rahman, M. Binti Mokhtar, and D. Farzeeha Binti Ali, “Self-Initiated Professional Development among Malaysian TVET Teachers in Vocational Colleges”, Psychosocial rehabilitation, vol. 24, no. 5, pp. 1000–1009, Jul. 2020, doi: 10.61841/pwn6ap26.