Arikunto, S., W. N. E. Saputra, D. A. Khoirunnisa, and R. P. Sawai. “Development and Validation of Teacher Competency Perception Scale in Indonesia: The Rasch Analysis”. Journal of Professional Teacher Education, vol. 1, no. 1, June 2023, pp. 11-21, doi:10.12928/jprotect.v1i1.491.