Cyntiya Laxmi Haura, Indri Yanti, and Muh Pauzan. 2023. “Formalin Detection Tool Using HCHO and MQ-7 Sensor Series With Fuzzy Logic”. Jurnal Nasional Teknik Elektro Dan Teknologi Informasi 12 (2), 117-23. https://doi.org/10.22146/jnteti.v12i2.7097.