Mexriddinovna, Raximova Nargiza. “The Modern Approaches to Teaching Portions and Fractions in Primary Schools Mathematics”. European Journal of Life Safety and Stability (2660-9630) 12 (December 11, 2021): 196-202. Accessed October 5, 2025. http://ejlss.indexedresearch.org/index.php/ejlss/article/view/289.