C. Navarro - O. Dominguez, Santillana
$4.80
Nº 5390, Dabosan
$1.00
P. Samuelson - W Nordhaus, Mcgraw Hill
$57.00
Jesus Mora Contreras, Ula
$7.00
Gaceta Nº 39.610, la Piedra
$2.50
Carlos A. Ledesma, Buyatti
$27.19
H. Koontz - H. Weihrich, Mcgraw Hill
$71.00