“IMPLEMENTASI BAGAN KENDALI INDIVIDUAL MOVING RANGE DALAM EVALUASI PROSES PERKULIAHAN DI JURUSAN MATEMATIKA FMIPA UNIVERSITAS TANJUNGPURA”. PROCEEDINGS OF NATIONAL COLLOQUIUM RESEARCH AND COMMUNITY SERVICE 1 (September 27, 2018). Accessed June 17, 2026. https://journal.ubb.ac.id/index.php/snppm/article/view/496.