M. Tamariz - N. Baldera, Saber
$5.00
Laura Hernandez Ramirez, Mc Graw Hill
$8.00
William A. Fleckenstein, Mcgraw Hill
$20.00
Marianela Castes Boscan, Grupo Zeta
$11.35
Alejandro Gallotti, Juridica Venezolana
$5.00
Burke A. Cunha, Mcgraw Hill
$25.00