Rustamovna, Y.N. 2022. BOSHLANG‘ICH SINF MATEMATIKA DARSLARIDA ULUSHLAR, KASR SONLAR TUSHUNCHALARI HAQIDA O‘QUVCHILARGA BILIM BERISH. INTEGRATION OF SCIENCE, EDUCATION AND PRACTICE. SCIENTIFIC-METHODICAL JOURNAL. 3, 5 (May 2022), 268–272.