W. Hurley - C. Denegar, Lippincott

$88.28

F. Kerlinger - H. Lee, Mcgraw Hill

$51.94

Marcos Fidel Barrera, Sypal

$13.56

Alexis G. Perez, Fedupel

$12.51

Carlos Lomas, Magisterio

$9.47

Yilmar Campbell, Universidad Carabobo

$9.60

M. Martinez Lurdez, Magrawhill

$30.00

Jacqueline Hurtado, Quiron

$15.13

L. Carrera - M. Vasquez, Panapo

$7.47

Mario Tamayo y Tamayo, Limusa

$27.60

Fidias G. Arias, Episteme

$9.64

Margarita A. de Sanchez, Trillas

$39.46

Melissa Rosales, Diana

$12.00

Carlos Sabino, Panapo

$6.55

Arnoldo Claret Veliz, Texto

$15.39