@book{24331,
	author = {Varon Ramos, Fernando and Ortiz Abello, Jose Javier},
	title = {Ag export /},
	publisher = {Corporación Unificada Nacional de Educación Superior,},
	year = {2018.},
	address = {Bogotá (Colombia) :},
	url = {https://drive.google.com/file/d/1829WB_DJynU8h1hk6AN1-8vwOj3TUILL/view?usp=sharing}
}