@book{53739,
	author = {Valoyes Salas, Natanael and Marín, Uriel},
	title = {Escuela sabática y crecimiento de iglesia [Formato electrónico]},
	publisher = {Los autores,},
	year = {2003},
	address = {Colombia :},
	url = {https://drive.google.com/file/d/1NiUEioLA3lBKdlhTLAaqhYo5KGe7PmUR/view?usp=sharing}
}