Piergiorgio Corbetta, Mcgraw-hill

$45.60

Margarita A. de Sanchez, Trillas

$39.47

F. Barriga - G. Hernandez, Mcgraw Hill

$33.60

Melissa Rosales, Diana

$12.00

F. Kerlinger - H. Lee, Mcgraw Hill

$51.95

Aura Bavaresco de Prieto, Luz

$13.83

Marcos Fidel Barrera, Sypal

$13.56

W. Hurley - C. Denegar, Lippincott

$88.28

Margarita A. de Sanchez, Trillas

$39.47

Dorothy Adkins Wood, Trillas

$27.32

M. Martinez Lurdez, Magrawhill

$30.00

Carlos Sabino, Panapo

$6.55

J. Hessen, Juceda

$9.60

Carlos Lomas, Magisterio

$9.47

Mario Tamayo y Tamayo, Limusa

$27.60