Suárez Martínez, M.A., Martínez Ortiz, J.A. and López Mairena, E.C. 2017. Learning the circumference applying the Van Hiele Model in eleventh grade students of Secondary Education in Río San Juan. Revista Universitaria del Caribe. 18, 1 (Aug. 2017), 17–22. DOI:https://doi.org/10.5377/ruc.v18i1.4796.