Okky Dwianto Wahyu Nugrohojati, Eko Siswanto, and Bagus Sudirman. “Cash Processing Administration System In The Indonesian Red Cross Blood Transfusion Unit, Semarang City”. Journal of Engineering, Electrical and Informatics 2, no. 3 (February 24, 2024): 50-64. Accessed May 19, 2024. https://ejurnal.stie-trianandra.ac.id/index.php/jeei/article/view/2849.