Alfonso-Roa, O.A., Granados-Zambrano, J.A. and Téllez-Barbosa, L.S. 2020. Transhumant crops, nonoperating policies A balance on coca-growing activity in Colombia, 1998-2017. Sociedad y Economía. 39 (Jan. 2020). DOI:https://doi.org/10.25100/sye.v0i39.8560.