Sunnatov Zafar Ubaidullaevich, Norinov Fakhrier Kurbonovich, Rakhmonkulov Murod Turdialievich and Boykobilova Makhliyo Makhmudovna (2021) “METHODS FOR INCREASING THE EFFICIENCY OF AIR COOLING DEVICES”, International Engineering Journal For Research & Development, 6(3), p. 3. doi: 10.17605/OSF.IO/SHN6W.