1
by Zambrano Mendoza, Jhonny; Amores Puyutaxi, Freddy Marcelo; Eskes, B.; Vasco Medina, Segundo Alfonso; Peña Monserrate, Geover Rolando
Published in 2006
Repository
2
by Vasco Medina, Segundo Alfonso; Quiroz Vera, James Gonzalo; Zambrano Mendoza, Jhonny; Peña Monserrate, Geover Rolando; Cedeño Aguirre, José Luis
Published in 2007
Repository