Dorothy Adkins Wood, Trillas

$27.32

F. Kerlinger - H. Lee, Mcgraw Hill

$51.94

Magaly Torres de Cardenas, Ucv

$10.52

F. Barriga - G. Hernandez, Mcgraw Hill

$33.60

Piergiorgio Corbetta, Mcgraw-hill

$45.60

Margarita A. de Sanchez, Trillas

$39.46

W. Hurley - C. Denegar, Lippincott

$88.28

Yilmar Campbell, Universidad Carabobo

$9.60

Marcos Fidel Barrera, Sypal

$13.56

Aura Bavaresco de Prieto, Luz

$13.82

Melissa Rosales, Diana

$12.00

Aura Bavaresco de Prieto, Luz

$8.40

Mario Tamayo y Tamayo, Limusa

$27.60

Alexis G. Perez, Fedupel

$12.51

Margarita A. de Sanchez, Trillas

$39.46