A. Rubio Gil, Diaz de Santos

$33.60

Norman E. Gronlund, Trillas

$34.91

Abel Cortese, Planeta

$30.00

$10.44

Aldebaran Contreras, Davide Publicidad

$8.40

Frida Diaz Barriga Arceo, Mcgraw Hill

$36.00

Victor Colina, Biosfera

$9.24

Luis Quintana, Mcgraw Hill

$24.00

Jose Gregorio Bello P., Panapo

$7.20

Carreño, Kingkolor

$7.20

Pablo Rios Cabrera, Cognitus

$9.13

Ana Ponce de Leon, Ccs

$14.40

$1.52

Livian Navarro Caro, Panapo

$1.20

L. Sagols - J. Linares, Mcgraw Hill

$25.20