Durán Agüero, S., Silva Rojas, J., Caichac, A., Araneda, J., Rojas, W. W., Buhring, R., Pacheco, V., Encina, C., Ahumada, D., Fernández-Salamanca, M., Neira, A. M., Aravena Martinovic, P., Villarroel, P., Fernández, E., & Moya, J. (2021). Stages of change in the purchase of ultra-processed snacks among university students after the implementation of the chilean food law; a multi-center study. Archivos Latinoamericanos De Nutrición (ALAN), 70(4), 263–268. Recuperado a partir de http://saber.ucv.ve/ojs/index.php/rev_alan/article/view/22192