Alexis G. Perez, Fedupel

$12.52

Marcos Fidel Barrera, Quiron

$11.48

Piergiorgio Corbetta, Mcgraw-hill

$45.60

Magaly Torres de Cardenas, Ucv

$10.52

J. Hessen, Juceda

$9.60

R. Hernandez - N. Mendoza, Mcgraw Hill

$30.00

F. Kerlinger - H. Lee, Mcgraw Hill

$51.95

Aura Bavaresco de Prieto, Luz

$8.40

Mario Tamayo y Tamayo, Limusa

$27.60

Rafael Benitez Dominguez, Cadiz

$14.74

Marcos Fidel Barrera, Sypal

$13.56

Aura Bavaresco de Prieto, Luz

$13.83

Jacqueline Hurtado, Quiron

$15.13

Margarita A. de Sanchez, Trillas

$39.47

Melissa Rosales, Diana

$12.00