M. Tamariz - N. Baldera, Saber
$5.00
Piscotta - Liendo - Lauro, Cengage Learning
$33.00
Rafael Bernand, Vadell Hermanos
$7.00
Alayon - Carballo - Daza, Ucab
$9.15
Robert S. Feldman, Mcgraw Hill
$40.00
Lind - Marchal - Wathen, Mcgraw Hill
$51.91
Joseph E. Muscolino, Lippincott
$58.00
Gaceta N° 40.029, Njr
$1.00