J. Castillo - C. Basurto, Trillas
$6.00
H. Koontz - H. Weihrich, Mcgraw Hill
$72.00
Gaceta Nº 39.553, Njr
$2.00
Gaceta Nº 30.597, Njr
$1.00
Francisco J. Gonzalez F., Fc Editorial
$30.00
Gaceta No. 37.665 04/4/03, la Piedra
$2.00
Gaceta No. 39.019, Njr
$2.00
Cesar Augusto Montoya, Alvaro Nora
$17.17
Rodrigo Dick Perez Bravo, Alvaro Nora
$8.00
J. Domingo - A. Galloti, Funeda
$7.00
Bateman - Snell, Mcgraw Hill
$36.00