Guk-Guk, F. Y. R., and I. Fauzi. “Analisis Sistem Penjualan Cash, Kredit, Tender Dan Konsiyansi Di PT. Indofarma Global Medika Medan”. Management Studies and Entrepreneurship Journal (MSEJ), vol. 4, no. 2, Mar. 2023, pp. 1962-7, doi:10.37385/msej.v4i3.1420.