Nolasco DH, Hernandez G DJC, Sigarreta A DJM. Methodology for study of epistemological obstacules: similarity concept. IJMIT [Internet]. 2014 Jan. 31 [cited 2025 Sep. 2];8(2):1323-3. Available from: https://www.rajpub.com/index.php/ijmit/article/view/684ijmit