SUMIYANI, S. The Impact of Teacher’s Involvement in MGMP on the Teachers’ Performance. PPSDP International Journal of Education, [S. l.], v. 2, n. 2, p. 444–448, 2023. DOI: 10.59175/pijed.v2i2.146. Disponível em: https://ejournal.ppsdp.org/index.php/pijed/article/view/146. Acesso em: 18 jan. 2026.