Rusman, Farial Lilla Rosemaulidya, and Istikomah. “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, no. 3 (September 11, 2026): 10.21070/ijins.v27i3.1983. Accessed September 26, 2026. https://ijins.umsida.ac.id/index.php/ijins/article/view/1983.