G‘ofirov, A. “KUZGI BUG‘DOYNI TURLI DARAJADA SHO‘RLANGAN TUPROQLARDA YETISHTIRISHNING DON HOSILDORLIGIGA TA’SIRI”. Educational Research in Universal Sciences, vol. 2, no. 3 SPECIAL, May 2023, pp. 560-5, http://erus.uz/index.php/er/article/view/2409.