Cyntiya Laxmi Haura, Indri Yanti, and Muh Pauzan. “Formalin Detection Tool Using HCHO and MQ-7 Sensor Series With Fuzzy Logic”. Jurnal Nasional Teknik Elektro dan Teknologi Informasi 12, no. 2 (May 25, 2023): 117-123. Accessed November 21, 2024. https://jurnal.ugm.ac.id/v3/JNTETI/article/view/7097.