RENY NURUL’AINI SURYANA; DELIS SRI MARYATI. Can In-House Training organized by the Principal improve the personal competence of Islamic Education teachers?. International Journal Of Humanities Education and Social Sciences, [S. l.], v. 5, n. 3, 2025. DOI: 10.55227/ijhess.v5i3.1914. Disponível em: https://ijhess.com/index.php/ijhess/article/view/1914. Acesso em: 13 oct. 2026.