“MAKTABGACHA YOSHDAGI BOLALARNING AQLIY RIVOJLANISHIDA MENTAL ARIFMETIKANING AHAMIYATI”. 2025. Yangi O’zbekiston Taraqqiyotida Tadqiqotlarni o’rni Va Rivojlanish Omillari 15 (2): 221-24. http://journal-web.uz/index.php/05/article/view/299.