Menglibayev Muhammadkalom, Muxiddinova Yulduz, and Alimbayev Shahzod. “BOSHLANG’ICH SINFLARDA MATEMATIKA O‘QITISH METODIKASI”. World scientific research journal 19, no. 1 (August 27, 2023): 6–11. Accessed July 23, 2024. http://wsrjournal.com/index.php/wsrj/article/view/2798.