Muslikhudin, Mochamad. “Android-Based Vegetable Retail Sales System Using Firebase API Method: Sistem Penjualan Retail Sayur Berbasis Android Menggunakan Metode API Firebase”. Procedia of Engineering and Life Science 3 (December 31, 2022). Accessed June 27, 2025. https://pels.umsida.ac.id/index.php/PELS/article/view/1321.