Asmar, A., and G. Putra. “Design and Build to Inventory System Application With Barcode in Electrical Engineering Laboratory of the Bangka Belitung University”. Jurnal Ecotipe (Electronic, Control, Telecommunication, Information, and Power Engineering), Vol. 8, no. 1, Apr. 2021, pp. 33-38, doi:10.33019/jurnalecotipe.v8i1.1922.