Karimov , D. K. “O‘RTA YOSHLI VELOSIPEDCHILARNING O‘ZIGA XOS TAYYORGARLIGI VA ORGANIZM HOLATINI TAVSIFLOVCHI KO‘RSATKICHLAR”. Educational Research in Universal Sciences, vol. 2, no. 14 SPECIAL, Nov. 2023, pp. 751-5, http://erus.uz/index.php/er/article/view/4521.