Molina, Nadia, Diana Guzmán Sierra, Ivannia Ureña Retana, and Xinia Fernández Rojas. “Evaluation of an Educational Intervention to Improve Teachers’ Fruit and Vegetable Intake and Physical Activity Practice in Three Public Schools in Costa Rica.”. Población y Salud en Mesoamérica 18, no. 1 (June 18, 2020). Accessed January 19, 2022. https://revistas.ucr.ac.cr/index.php/psm/article/view/40821.