Luis Alberto Rodriguez, Livrosca
$8.50
Aderito de Sousa F., Mcgraw Hill
$51.58
F. Barriga - G. Hernandez, Mcgraw Hill
$28.00
Jose Peña Solis, Ediciones Paredes
$18.00
Hector R. Peñaranda Q., Cpluz
$10.00
Ciro Fernando Camerlingo, Buchivacoa
$8.50
P. Montoya - M. Ramirez, Mcgraw Hill
$12.00