@book{3005,
	author = {Rojas Moncriff, Felipe and Pontificia Universidad Javeriana - Programa Universidad Abierta and Sánchez Pilonieta, Alfonso},
	title = {El Problema Investigativo /},
	publisher = {Pontificia Universidad Javeriana,},
	year = {1987.},
	address = {Bogotá :}
}