Gusdevi, Harya, Ade Setya P, and Puji Handini Zulaeha. 2020. “Prototype of LPG Gas Leakage Detector Using Flame Sensor and MQ-2 Sensor”. Computer Science and Information Technologies 1 (1):32-38. https://doi.org/10.11591/csit.v1i1.pp32-38.