Wahana, A., and A. R. Riswaya. “Perancangan Aplikasi Pengolahan Data Report Penjualan”. Jurnal Computech &Amp; Bisnis (e-Journal), vol. 8, no. 1, June 2014, pp. 25-34, https://jurnal.stmik-mi.ac.id/index.php/jcb/article/view/177.