@book{16416,
	author = {Guanumen Barreto Kevin Fabian (et.al) },
	title = {MONOGRAFIA DE COSTOS, PROGRAMACION Y CONTROL DE OBRA ESPINAL TOLIMA, 2019 },
	publisher = {ITFIP},
	year = {2019},
	address = {Espinal Tolima },
	note = {ITFIP}
}