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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVargas Martínez, Andrés Felipe, Javier Augusto López Cifuentes, और 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.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVargas 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.
