BAGUS FIRMANSYAH, Sultan. Secularized Secondary School Schematic: Multi-Faith Teaching Etiquette Forecast. Ittishal Educational Research Journal, [S. l.], v. 2, n. 1, p. 32–42, 2021. DOI: 10.51425/ierj.v2i1.16. Disponível em: https://www.journal.ittishal.net/index.php/ierj/article/view/16. Acesso em: 27 oct. 2025.