Gumilar M, Firmansyah B. PERANCANGAN SISTEM PELAYANAN KULIAH PENGGANTI DI INSTITUT BISNIS DAN INFORMATIKA 1957 BERBASIS WEBSITE. junif [Internet]. 30Apr.2023 [cited 22Jan.2025];4(1):12-9. Available from: https://ejournal-ibik57.ac.id/index.php/junif/article/view/944