Joan Rhobi Andrianto. “Performance Analysis of Physical Education Teachers Certificated and Not Certificated ”. JOURNAL RESPECS (Research Physical Education and Sports) 5, no. 1 (January 31, 2023): 198–204. Accessed May 1, 2025. https://www.ejournal.unma.ac.id/index.php/respecs/article/view/4672.