Rusman, Farial Lilla Rosemaulidya, and Istikomah. 2026. “Implementation Of An Internal Quality Assurance System At Sunan Ampel Menganti Smp : Implementasi Sitem Penjaminan Mutu Internal Di Smp Sunan Ampel Menganti”. Indonesian Journal of Innovation Studies 27 (3):10.21070/ijins.v27i3.1983. https://doi.org/10.21070/ijins.v27i3.1983.