Risma, N., S. Nur, and K. Komarudin. “Rancang Bangun Sistem Informasi Penjualan Berbasis Web Dengan Metode Extreme Programming Pada PT. Dae Duck Textile”. Jurnal Computech &Amp; Bisnis (e-Journal), vol. 15, no. 2, Dec. 2021, pp. 78-87, https://jurnal.stmik-mi.ac.id/index.php/jcb/article/view/54.