@article{article,
title = {Study of the production system of coffee (Coffea arabica L.) in the Frailesca region, Chiapas},
author = {},
year = {2016},
journal = {Cienciauat},
volume = {10},
number = {2},
pages = {33-43},
howpublished = "\url{https://eurekamag.com/research/070/782/070782894.php}"
}