Dorothy Adkins Wood, Trillas

$27.32

Margarita A. de Sanchez, Trillas

$39.47

Marcos Fidel Barrera, Sypal

$13.56

F. Barriga - G. Hernandez, Mcgraw Hill

$33.60

Rafael Benitez Dominguez, Cadiz

$14.74

Marcos Fidel Barrera, Quiron

$11.48

Magaly Torres de Cardenas, Ucv

$10.52

Fidias G. Arias, Episteme

$9.65

F. Kerlinger - H. Lee, Mcgraw Hill

$51.95

Mirian Balestrini Acuña, Servicio Editorial

$14.87

J. Hessen, Juceda

$9.60

Margarita A. de Sanchez, Trillas

$39.47

S. Dominguez - E. Sanchez, Mcgraw Hill

$24.00

M. Martinez Lurdez, Magrawhill

$30.00

Aura Marina Bavaresco, la Universidad Del Zulia

$9.00