R. Garciadiego, D.A. (2002) “PITAGORAS’ THEOREM AS A PARADIGM FOR PLANE GEOMETRY TEACHING: TO SIMPLIFY NOT ALWAYS SIMPLIFY”, Revista Latinoamericana de Investigación en Matemática Educativa, 5(3), pp. 251–270. Available at: https://www.relime.org/index.php/relime/article/view/556 (Accessed: 22 October 2026).