2020. The common bean (Phaseolus vulgaris L.) and the runner bean (Phaseolus coccineous L.): Productive options for small farmers at Los Volcanes micro- region in Puebla, Mexico. Agro Productividad. 13, 5 (Apr. 2020). DOI:https://doi.org/10.32854/agrop.v13i5.1427.