Busahdiar, Ummah Karimah, and Sudirman Tamin. 2023. “Total Quality Management (TQM) and Basic Education: Its Application to Islamic Education in Muhammadiyah Elementary Schools”. Jurnal Pendidikan Agama Islam 20 (2):215-32. https://doi.org/10.14421/jpai.v20i2.8015.