Rahmonberdiyevna, Toshboyeva Saida, and Akbarova Mastura Soxibovna. “Techniques for Teaching Elementary Students Rational Numbers and Convenient Ways to Perform Operations on Them”. International Journal of Culture and Modernity 11 (December 17, 2021): 283–287. Accessed December 4, 2024. https://ijcm.academicjournal.io/index.php/ijcm/article/view/147.