SISTEM INFORMASI MANAJEMEN PERMINTAAN PERUBAHAN SYSTEM APPLICATION AND PRODUCT (SAP) PADA PT. KRAKATAU INFORMATION TECHNOLOGY. J. Insan Unggul. 2024;12(1):95-127. Accessed July 1, 2026. https://jurnal-iu.sttikom-iu.ac.id/index.php/01/article/view/155