1Abdukakhorov Bahodir, 2Khoshimov Diyorbek and 3Oshepkova Elvira (2021) “DETERMINATION OF THE AMOUNT OF WORKING GAS IN THE APARTMENT USING THE GAS ANALYZER SENSOR MQ-2”, International Engineering Journal For Research & Development, 6(3), p. 3. doi: 10.17605/OSF.IO/ZRTWY.