R. Ahumada - A.montenegro, Trillas
$8.75
A. Chiang y K. Wainwright, Mcgraw Hill
$46.00
Gaceta No 39.599, R Graficas
$2.00
Dr. Ing. Harry Osers, Refolit C.a.
$12.28
Gaceta Nº 40.440, la Piedra
$1.40
Gaceta Nº 39.112, Njr
$2.00
Jose I. Hernandez, Juridica Venezolana
$14.20