@book{22103,
	author = {Ortigoza Gerreño, Javier  and Gonzalez Villalba, Jorge Daniel},
	title = {Guía técnica: cultivo de maíz.},
	publisher = {Jica :},
	year = {2019.},
	series = {Proyecto Paquetes Tecnológicos},
	address = {Paraguay :}
}