Miguel Raul Gomez G., Terra Editores
$15.60
Roberto H. Frank, Mcgraw Hill
$32.00
J. Sanchez - A. Palomino, Fc Editorial
$33.00
Freddy Zambrano, Atenea
$5.86
Gaceta Nº 40.358, Njr
$1.40
Gaceta No. 6.156, la Piedra
$0.83
Gaceta Nº 40.440, la Piedra
$1.40