MARKOYO, MARKOYO. “Perancangan Sistem Informasi Manajemen Pelayanan Bank Darah Pada Rumah Sakit Umum Harapan Ibu Purbalingga”. Informatics and Computer Engineering Journal 3, no. 1 (January 20, 2023): 8-18. Accessed December 22, 2024. http://jurnal.bsi.ac.id/index.php/ijec/article/view/1613.