Siti Muthiatun Najiyah, Siti Aminah, Diah Ainun Khafidloh, & Titin Nurhidayati. (2026). The Principal’s Policy in Developing Bilingualism at the As-Sunniyyah Darungan Yosowilangun Leading Madrasah. Responsive: Jurnal Manajemen Pendidikan Islam, 2(2), 82–88. https://doi.org/10.61166/responsive.v2i2.71