Solovyova, Tatiana, and Tatiana Smirnova. “THE FORMATION OF UNIVERSAL EDUCATIONAL ACTIONS OF FORMULATING AND SOLVING PROBLEMS IN PRIMARY SCHOOL CHILDREN”. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference 2 (May 26, 2016): 446–458. Accessed March 11, 2026. https://archive-journals.rtu.lv/sie/article/view/1251.