Rizal Masdul, M., Rusli, R. and Ali, M. (2022) “Muhammadiyah Quality Concept in Improving the Quality of Education at MI Muhammadiyah Al-Haq Palu”, International Journal of Health, Economics, and Social Sciences (IJHESS), 4(2), pp. 63-76. doi: 10.56338/ijhess.v4i2.2349.