Putri Aprilia, and Kemas Muhammad Wahyu Hidayat. 2025. “Design and Build a Robusta Coffee Shop Information System As a Website-Based Transaction and Promotion Media (Case Study: Kite Robusta Coffee Shop Pagar Alam”. JURNAL TEKNOLOGI DAN OPEN SOURCE 8 (2), 916 -28. https://doi.org/10.36378/jtos.v8i2.5087.