Otabek Turdimurodov, and Z. Toshquvvatova. “BOSHLANG’ICH SINF O’QUVCHILARIGA KASRLAR MAVZUSINI TEZ VA SAMARALI USULDA O’RGATISH METODIKASI”. FAN, TA’LIM VA AMALIYOTNING INTEGRASIYASI, vol. 3, no. 5, May 2022, pp. 246-52, https://journal.bilig.uz/isepsmj/article/view/714.