Gocheva-Ilieva, Snezhana Georgieva, Iliycho Petkov Iliev, and Atanas Valev Ivanov. “ON THE ASSESSMENT OF MATHEMATICAL COMPETENCIES FOR SOLVING NON-LINEAR EQUATIONS”. MATTER: International Journal of Science and Technology 6, no. 2 (July 15, 2020): 01–14. Accessed May 3, 2024. https://grdspublishing.org/index.php/matter/article/view/1457.