Fidias G. Arias, Episteme

$9.64

Margarita A. de Sanchez, Trillas

$39.46

Aura Marina Bavaresco, la Universidad Del Zulia

$9.00

Marcos Fidel Barrera, Sypal

$13.56

W. Hurley - C. Denegar, Lippincott

$88.28

Piergiorgio Corbetta, Mcgraw-hill

$45.60

Arnoldo Claret Veliz, Texto

$15.39

Carlos Sabino, Panapo

$6.55

F. Kerlinger - H. Lee, Mcgraw Hill

$51.94

Alexis G. Perez, Fedupel

$12.51

Mario Tamayo y Tamayo, Limusa

$27.60

Jacqueline Hurtado, Quiron

$15.13

Lasty Balseiro Almario, Trillas

$33.39

L. Carrera - M. Vasquez, Panapo

$7.47

Magaly Torres de Cardenas, Ucv

$10.52