Nikulin, Oleksandr V., and Tetiana V. Nakonechna. “UPDATE OF MANUALS ON HIGHER MATHEMATICS WITH USING OF ICT”. Information Technologies and Learning Tools 20, no. 6 (February 16, 2011). Accessed May 2, 2024. https://journal.iitta.gov.ua/index.php/itlt/article/view/380.