Nguyễn, Hương, and Nga Nguyên. “IMPROVING ALTERNATIVE THINKING IN DETERMINING THE INTERSECTION OF CURVED SURFACES BASED ON AUXILIARY SPHERE METHOD”. SCIENTIFIC JOURNAL OF TAN TRAO UNIVERSITY 9, no. 5 (December 19, 2023). Accessed May 11, 2024. https://tckh.daihoctantrao.edu.vn/index.php/sjttu/article/view/992.