Mirzaalimov N. ІNVESTІGАTІОN ОF АN ІMPRОVED SОLАR WАTER HEАTER ІN CОMSОL MULTІPHYSІCS SОFTWАRE. STJ NamIET [Internet]. 2024 Jun. 29 [cited 2024 Sep. 19];9(2):196-201. Available from: http://niet.uz/index.php/nj/article/view/447