A. Di Parsia - W.hinds, Monfort
$6.00
Adriana Torres H., Trillas
$10.40
Tolo M. Rimsky, Mcgraw Hill
$41.00
Jesus R. Torres Pertuz, Paredes
$9.26
A. Chiang y K. Wainwright, Mcgraw Hill
$46.00
Gaceta Nº 6.209, Njr
$1.80
Piedad Fernandez Herrero, Fc Editorial
$25.00
Laura Hernandez Ramirez, Mc Graw Hill
$8.00