Norman E. Gronlund, Trillas

$34.91

Antonio Perez Esclarin, San Pablo

$6.00

$14.40

Daniel Goleman, Building

$27.95

L. Sagols - J. Linares, Mcgraw Hill

$25.20

Pablo Rios Cabrera, Cognitus

$9.13

A. Rubio Gil, Diaz de Santos

$33.60

Abel Cortese, Planeta

$30.00

Aldebaran Contreras, Davide Publicidad

$8.40

Carreño, Kingkolor

$7.20

Livian Navarro Caro, Panapo

$1.20

$1.51

$10.44

Frida Diaz Barriga Arceo, Mcgraw Hill

$36.00

$10.20