Adriana Torres H., Trillas
$10.40
Carmelo Borrego, Livrosca
$13.89
Gaceta No. 6.017, Njr
$2.00
Gaceta Nº 39.808, Njr
$2.00
A. Chiang y K. Wainwright, Mcgraw Hill
$46.00
Fidias G. Arias, Episteme
$8.04
Aldebaran Contreras, Davide Publicidad
$7.00