WICSKSONO, H.; SYAHDA, R.; SYAHID, N.; SARY, I. Liquid Petroleum Gas (LPG) Cylinder Leak Detection Tool Using MQ-2 Sensor Based on Internet of Things (IoT). Ultima Computing : Jurnal Sistem Komputer, v. 16, n. 2, p. 46-55, 31 dez. 2024.