Reihenova, Austra. “INTEGRATED LEARNING IN THE MATHEMATICS AND NATURAL SCIENCES LEARNING PROCESS IN HIGH SCHOOL”. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference 2 (May 21, 2019): 445–459. Accessed May 17, 2024. https://journals.ru.lv/index.php/SIE/article/view/3929.