Syah, M.I.R. and Lukman, L. 2022. The Information Systems at Irfan Jaya Stores Using the Rational Unified Process Method. Sinkron : jurnal dan penelitian teknik informatika. 6, 4 (Oct. 2022), 2498-2507. DOI:https://doi.org/10.33395/sinkron.v7i4.11813.