Soeprayogie, Adithya, Endang Hanani, and Bambang Priyono. “Certification Impact on Performance of PESH Teachers in State Junior High Schools in Paser Regency, East Kalimantan Province”. Journal of Physical Education and Sports 10, no. 2 (June 30, 2021): 123-128. Accessed March 29, 2024. https://journal.unnes.ac.id/sju/jpes/article/view/45191.