Suwarno, Iswanto, Purwono Purwono, and Alfian Ma’arif. 2023. “Hardware Engineering of Hazardous Gas and Alcoholic Substances Detector in Meat Using Microcontroller and Gas Sensor”. HighTech and Innovation Journal 4 (3):463-81. https://doi.org/10.28991/HIJ-2023-04-03-01.