KRASTIŅA, Elfrīda; SONDORE, Anita; DRELINGA, Elga. ANALYSIS OF METHODOLOGICAL APPROACHES TO PROBLEM SOLVING SKILL IN MATHS TEXTBOOKS FOR GRADES 5-6. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference, Rezekne, Latvia, v. 2, p. 255–266, 2019. DOI: 10.17770/sie2019vol2.3852. Disponível em: https://journals.ru.lv/index.php/SIE/article/view/3852.. Acesso em: 4 dec. 2024.