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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিVargas Martínez, Andrés Felipe, Javier Augusto López Cifuentes, এবং 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.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিVargas 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.
