Aura Bavaresco de Prieto, Luz

$8.40

Alexis G. Perez, Fedupel

$12.51

Aura Marina Bavaresco, la Universidad Del Zulia

$9.00

Marcos Fidel Barrera, Sypal

$13.56

W. Hurley - C. Denegar, Lippincott

$88.28

Mirian Balestrini Acuña, Servicio Editorial

$14.86

Marcos Fidel Barrera, Quiron

$11.48

Fidias G. Arias, Episteme

$9.64

M. Martinez Lurdez, Magrawhill

$30.00

Yilmar Campbell, Universidad Carabobo

$9.60

Julian Rodriguez, San Pablo

$13.82

J. Hessen, Juceda

$9.60

Margarita A. de Sanchez, Trillas

$39.46

Jacqueline Hurtado, Quiron

$15.13

Margarita A. de Sanchez, Trillas

$39.46