@book{13427,
	author = {Tobasura Acuña, Isaías and Sepúlveda Gallego, Luz Elena},
	title = {Proyectos ambientales escolares :},
	publisher = {Cooperativa Editorial Magisterio,},
	year = {1997.},
	series = {Colección Aula Abierta},
	address = {Bogotá :},
	edition = {1a ed.}
}