Freedy J . Orlando S., Ucv
$13.49
Gaceta Nº 38.394, Nr
$1.00
Gaceta No. 6.156, la Piedra
$0.83
Cesar Borobia, Elsevier
$29.20
Robert S. Feldman, Mcgraw Hill
$40.00
Nelly Sanchez Pantaleon, Livrosca
$11.99
Miguel Angel Ruiz Jimenes, Diaz de Santos
$26.00