درويشو علي, متوج فادي, and فرحات حسام. “A Study to Measure Reduced Gases Concentration Using MQ-2 Sensor”. Latakia University Journal -Basic Sciences Series 44, no. 1 (March 31, 2022): 95–112. Accessed July 22, 2025. https://journal.latakia-univ.edu.sy/index.php/bassnc/article/view/12089.