$4.00

Angel Ferre, Angel Ferrer

$2.00

Spiegel - Schiller, Mcgraw Hill

$28.00

Ramirez Cavassa, Limusa

$20.00

Imelda Arana Saenz, Magisterio

$7.00

Curt Simmons, Mcgraw Hill

$20.00

Gaceta Nº 6.210, la Piedra

$2.85

Paul Aponte, Vadell Hermanos

$5.00

Gaceta No. 5.129, Njr

$2.07

Louise L. Hay, Books4pocket

$7.00

Carlos E. Weffe H., Avdt

$7.74

Hans Kuhn, Cengage

$67.00

Gaceta Nº 39.866, Njr

$1.00

$15.49

Gaceta Nº 40.549, Njr

$1.80

Gaceta Nº 40.127, la Piedra

$3.00

Siberschatz Galvin Gagne, Mcgraw Hill

$52.00

Idalverto Chiavenato, Mcgraw Hill

$40.00

Cruz, Ra-ma

$15.78

Jose German Pacheco, Ucv

$14.03

Miguel Arjona Torres, Diaz de Santos

$25.00

Gaceta Nº 36.430, Njr

$2.00

Gaceta Nº 39.901, Njr

$2.85

James Clear, Paidos

$17.95

C. Stone - R. Humphries, Mcgraw Hill

$90.00

Gaceta Nº 5.908, la Piedra

$6.00

Allan Pease, Paidos

$7.70

Gaceta Nº 38.669, Njr

$2.00

$6.00

Gaceta No. 38.500, Njr

$2.00