Rubí Zeledón, J. et al. 2019. Effect of altitude on the morphological and sensory characteristics linked to the quality of quelite type chayote fruit (Sechium edule) produced in the Ujarrás Valley, Costa Rica. Perspectivas Rurales Nueva Época. 17, 33 (Jun. 2019), 177–195. DOI:https://doi.org/10.15359/prne.17-33.7.