Zuchriadi, Achmad, Budhi Martana, Fajar Rahayu, and Sigit Pradana. 2025. “Design and Development of an IoT-Based Smart Trolley With Budget-Limiting Features to Reduce Queues in Supermarkets”. Jurnal Mantik 9 (2):792-99. https://doi.org/10.35335/mantik.v8i6.6619.