Maxamadaminov, M. “PAXTA XOMASHYOSINI JINLASHDAN OLDIN TABIIY USULDA NAMLIGINI ANIQLASH”. Educational Research in Universal Sciences, vol. 2, no. 8 SPECIAL, Aug. 2023, pp. 204-7, http://erus.uz/index.php/er/article/view/3650.