Jacqueline Hurtado, Quiron

$12.61

Fidias G. Arias, Episteme

$8.04

W. Hurley - C. Denegar, Lippincott

$73.57

Margarita A. de Sanchez, Trillas

$10.00

Carlos Lomas, Magisterio

$7.89

F. Kerlinger - H. Lee, Mcgraw Hill

$43.29

Julian Rodriguez, San Pablo

$11.52

Rafael Benitez Dominguez, Cadiz

$12.28

$6.00

S. Dominguez - E. Sanchez, Mcgraw Hill

$20.00

Mario Tamayo y Tamayo, Limusa

$23.00

Margarita A. de Sanchez, Trillas

$25.00

Aura Bavaresco de Prieto, Luz

$7.00

Aura Bavaresco de Prieto, Luz

$11.52

Carlos Sabino, Panapo

$5.46