Solixa Sotiboldiyeva. “YUQORI SINF O’QUVCHILAR UCHUN MATEMATIKA DARSLARINING PISA STANDARTLARI VA UNING MOHIYATI”. IMRAS 7, no. 2 (February 1, 2024): 111–114. Accessed October 23, 2026. https://journal.imras.org/index.php/sps/article/view/1065.