F. Kerlinger - H. Lee, Mcgraw Hill

$51.94

R. Hernandez - N. Mendoza, Mcgraw Hill

$30.00

J. Hessen, Juceda

$9.60

Carlos Lomas, Magisterio

$9.47

Piergiorgio Corbetta, Mcgraw-hill

$45.60

Marcos Fidel Barrera, Quiron

$11.48

Margarita A. de Sanchez, Trillas

$39.46

Rafael Benitez Dominguez, Cadiz

$14.73

Margarita A. de Sanchez, Trillas

$39.46

Aura Bavaresco de Prieto, Luz

$13.82

L. Carrera - M. Vasquez, Panapo

$7.47

Margarita A. de Sanchez, Trillas

$39.46

Magaly Torres de Cardenas, Ucv

$10.52

Aura Bavaresco de Prieto, Luz

$8.40

Fidias G. Arias, Episteme

$9.64