Pakaya, Nikmasari. “Analisis Dan Desain Sistem Informasi Penjualan Obat Berorientasi Objek ”. Jurnal Teknik 16, no. 2 (December 2, 2018): 100-108. Accessed February 2, 2023. https://jt.ft.ung.ac.id/index.php/jt/article/view/32.