PRATAMA, C. Y. A.; SUKARMIN, Y. The relationship of teacher certification, work motivation, and the working period with the performance of physical education teachers of elementary schools. Journal of Education, Health and Sport, [S. l.], v. 9, n. 4, p. 110–123, 2019. Disponível em: https://apcz.umk.pl/JEHS/article/view/6767. Acesso em: 19 apr. 2024.