Díaz Obando, Evangelina, Hazel Alemán Castillo, and Carmen Hernández Brenes. “A Pedagogical Model to Develop Mathematical Power on Gifted Students in Costa Rica”. Uniciencia 27, no. 2 (July 1, 2013): 51–66. Accessed April 25, 2026. https://www.revistas.una.ac.cr/index.php/uniciencia/article/view/5276.