@book{11803,
	author = {Tobasura Acuña, Isaías. and Sepulveda Gallego, Luz Elena.},
	title = {Proyectos ambientales escolares :},
	publisher = {Cooperativa Editorial Magisterio,},
	year = {1997.},
	series = {Aula abierta},
	address = {Santafé de Bogotá, Colombia :}
}