Rivas-Sanchez, Elio, Jesús Serrano Guerrero, and Víctor Hugo Menéndez. “A New Merging Algorithm Based on Semantic Relationships of Learning Objects”. Nexo Revista Científica 26, no. 2 (December 31, 2013): 69–82. Accessed April 27, 2025. https://camjol.info/index.php/NEXO/article/view/1286.