[1]
“AUTOMATIC SYSTEM FOR HAZARDOUS GAS, HUMAN DETECTION, TEMPERATURE MONITORING AND WATER LEVEL DETECTING IN COAL MINES USING GSM”, IJESR, vol. 13, no. 3, pp. 1–9, Jul. 2023, Accessed: Jan. 27, 2026. [Online]. Available: https://ijesr.org/index.php/ijesr/article/view/984