Mustafidah, Hindayati, and H Harjono. “Implementasi Program Quest Untuk Menganalisis Butir Soal Bagi Guru-Guru SMP Muhammadiyah 2 Karanglewas”. Prosiding University Research Colloquium (January 21, 2019): 57–64. Accessed February 5, 2026. https://repository.urecol.org/index.php/proceeding/article/view/329.