“Energy Balance in the Production Systems of the Castillo Variety Coffee, in the Department of Nariño (Colombia)”. Journal Facultad de Ciencias Agropecuarias - FAGROPEC 13, no. 1 (June 29, 2021): 44–59. Accessed September 23, 2026. https://editorial.uniamazonia.edu.co/fagropec/article/view/252.