Desmila Wati Harahap, and Mamed Rofendi Manalu. “PERANCANGAN SISTEM INFORMASI PENJUALAN BARANG DAN PENERIMAAN KAS PADA KOPERASI RSU IPI MEDAN”. JITA (Journal of Information Technology and Accounting), Vol. 1, no. 2, July 2018, pp. 168-76, https://jurnal.uimedan.ac.id/index.php/JITA/article/view/1000.