Pengaruh sertifikasi guru terhadap kinerja guru SMPN 1 Durenan. Efektor, [S. l.], v. 2, n. 2, 2015. DOI: 10.29407/e.v2i2.88. Disponível em: https://ojs.unpkediri.ac.id/index.php/efektor-e/article/view/88. Acesso em: 4 apr. 2025.