L. Salazar - C. Navarro, Santillana
$4.80
P. Montoya - M. Ramirez, Mcgraw Hill
$12.00
Cira de Pira de Pelekais, Cira de Pelekais
$15.00
Jaime Rodriguez-arana, Juridica Venezolana
$5.40
Hector Ramon Peñaranda Q., Luz
$10.00
F. Sim - P. Choong, Lippincott
$226.00
Luis Fraga Lo Curto, Funeda
$7.00
Andrew S. Tanenbaum, Pearson Educacion
$25.00
Horacio Garcia Belsunce, Depalma
$9.26