Primasari, Isna Arum, Endah Utami, and Amalia Yuli Astuti. “Kualitas Layanan Pendidikan Sekolah Menengah Muhammadiyah Di Yogyakarta”. Prosiding University Research Colloquium (October 21, 2019): 14–22. Accessed May 5, 2024. https://repository.urecol.org/index.php/proceeding/article/view/619.