“OPTIK TOLA QO’SHILGAN YORUG’LIK O’TKAZUVCHI BETONNI EKSPERIMENTAL O’RGANISH”. INTERNATIONAL JOURNAL OF RECENTLY SCIENTIFIC RESEARCHER’S THEORY, vol. 2, no. 9, Sept. 2024, pp. 82-87, https://uzresearchers.com/index.php/ijrs/article/view/3984.