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Fernández Rojas, X. and Umaña Sáenz, N. 2020. Development and implementation of a nutrition education approach using the school dining for promoting healthy eating in Cristóbal Colón school in Santo Domingo, Heredia, Costa Rica. Población y Salud en Mesoamérica. 18, 1 (Jun. 2020). DOI:https://doi.org/10.15517/psm.v18i1.39645.