INDRIATI, Y.; PERRODIN, D. D. Certification Allowances as a Means of Improving Teacher Performance. PPSDP International Journal of Education, [S. l.], v. 1, n. 1, p. 145–156, 2022. DOI: 10.59175/pijed.v1i1.11. Disponível em: https://ejournal.ppsdp.org/index.php/pijed/article/view/11. Acesso em: 10 jul. 2026.