HAYDAR, A. . . . Perancangan Sistem Informasi Pemesanan Catering Terintegrasi Whatsapp Menggunakan Metode Extreme Programming Berbasis Web. Scientia Sacra: Jurnal Sains, Teknologi dan Masyarakat , [S. l.], v. 4, n. 2, p. 26–29, 2024. Disponível em: http://www.pijarpemikiran.com/index.php/Scientia/article/view/715. Acesso em: 27 jan. 2026.