“Perancangan Dan Implementasi Sistem Kasir Digital Berbasis Web Pada Warung Soto Seger Boyolali Pak Antok Menggunakan Metode Waterfall”. International Multidisciplinary Journal of Social Sciences, Education, and Management, vol. 1, no. 1, June 2026, pp. 21-28, https://mpublishjournal.com/index.php/imjssem/article/view/7.