Flores López, William Oswaldo, and María Jesús Salinas Portugal. “Methodologies in Teaching the Derivative: URACCAN New Guinea”. Ciencia e Interculturalidad 12, no. 1 (November 1, 2013): 39–49. Accessed December 7, 2025. https://camjol.info/index.php/RCI/article/view/1215.