Daugulis, Pēteris, Elfrīda Krastiņa, Anita Sondore, and Vija Vagale. “VARIETY OF ARRANGEMENTS OF NUMERICAL DATA FOR A DEEPER UNDERSTANDING OF MATHEMATICS”. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference 1 (May 20, 2020): 107–118. Accessed November 23, 2024. https://journals.ru.lv/index.php/SIE/article/view/5081.