Ergashboy Abdurakhmanov, Khulkar Sidikova Gulomovna, Ilkhom Abdurakhmanov Ergashboyevich ,Nargiza Muminova Isatullayevna. “Elaboration And Investigation Of Metrological Characteristics Of Semi-Conductor Sensor Of Methane ”. International Journal of Advanced Science and Technology, Vol. 29, no. 7, May 2020, pp. 2058 -65, http://sersc.org/journals/index.php/IJAST/article/view/17466.