Dorothy Adkins Wood, Trillas

$27.32

Yilmar Campbell, Universidad Carabobo

$9.60

Margarita A. de Sanchez, Trillas

$39.46

F. Kerlinger - H. Lee, Mcgraw Hill

$51.94

Melissa Rosales, Diana

$12.00

Fidias G. Arias, Episteme

$9.64

Carlos Lomas, Magisterio

$9.47

Mirian Balestrini Acuña, Servicio Editorial

$14.86

Mario Tamayo y Tamayo, Limusa

$27.60

J. Hessen, Juceda

$9.60

Marcos Fidel Barrera, Sypal

$13.56

Lasty Balseiro Almario, Trillas

$33.39

M. Martinez Lurdez, Magrawhill

$30.00

Rafael Benitez Dominguez, Cadiz

$14.73

S. Dominguez - E. Sanchez, Mcgraw Hill

$24.00