Vargas Martínez, A. F., López Cifuentes, J. A., & Alvarado Gaona, Á. E. (2021). Environmental sustainability and waste management in cocoa production systems in the southwest of Boyacá-Colombia. Universidad Pedagógica y Tecnológica de Colombia.
Παραπομπή σε μορφή Chicago (17η εκδ.)Vargas Martínez, Andrés Felipe, Javier Augusto López Cifuentes, και Álvaro Enrique Alvarado Gaona. Environmental Sustainability and Waste Management in Cocoa Production Systems in the Southwest of Boyacá-Colombia. Universidad Pedagógica y Tecnológica de Colombia, 2021.
Παραπομπή σε μορφή MLA (9th εκδ.)Vargas Martínez, Andrés Felipe, et al. Environmental Sustainability and Waste Management in Cocoa Production Systems in the Southwest of Boyacá-Colombia. Universidad Pedagógica y Tecnológica de Colombia, 2021.