R. Ahumada - A.montenegro, Trillas
$10.00
E. de la Cruz - A. Rojas, Salesiana
$4.80
Gaceta N° 40.029, Njr
$1.00
Gaceta, la Piedra
$4.00
Magaly Perretti de Parada, Liber
$6.00
Gaceta Nº 39.553, Njr
$2.00
Andrew S. Tanenbaum, Pearson Educacion
$25.00
Omar Rodriguez Aguero, Atenea
$7.17
Gaceta Nº 1.575, Njr
$2.00
Aderito de Sousa F., Mcgraw Hill
$51.58