Sutopo, Teguh, Susy Katarina Sianturi, and Gustina. 2024. “SISTEM INFORMASI MANAJEMEN PERMINTAAN PERUBAHAN SYSTEM APPLICATION AND PRODUCT (SAP) PADA PT. KRAKATAU INFORMATION TECHNOLOGY”. Jurnal Insan Unggul 12 (1):95-127. http://www.sttikom-iu.ac.id:8081/jurnaliu/index.php/01/article/view/155.