Aura Bavaresco de Prieto, Luz

$13.83

M. Martinez Lurdez, Magrawhill

$30.00

F. Barriga - G. Hernandez, Mcgraw Hill

$33.60

Alexis G. Perez, Fedupel

$12.52

J. Hessen, Juceda

$9.60

Jacqueline Hurtado, Quiron

$15.13

Rafael Benitez Dominguez, Cadiz

$14.74

Marcos Fidel Barrera, Sypal

$13.56

Fidias G. Arias, Episteme

$9.65

F. Kerlinger - H. Lee, Mcgraw Hill

$51.95

L. Carrera - M. Vasquez, Panapo

$7.48

W. Hurley - C. Denegar, Lippincott

$88.28

Margarita A. de Sanchez, Trillas

$39.47

S. Dominguez - E. Sanchez, Mcgraw Hill

$24.00

Carlos Sabino, Panapo

$6.55