Istikomah, I., Romadlon, D.A. and Kurniawan, A.B.H. 2022. Implementasi Sistem Penjaminan Mutu Internal di Sekolah Dasar. Procedia of Social Sciences and Humanities. 3, (Jul. 2022), 678-685. DOI:https://doi.org/10.21070/pssh.v3i.200.