Livian Navarro Caro, Panapo

$1.20

Norman E. Gronlund, Trillas

$34.91

$10.44

L. Sagols - J. Linares, Mcgraw Hill

$25.20

$6.07

Antonio Luis Cardenas, Dasa

$4.80

Aldebaran Contreras, Davide Publicidad

$8.40

$10.20

Miguel Del Cura, Paraninfo

$45.60

Frida Diaz Barriga Arceo, Mcgraw Hill

$36.00

$1.51

Pablo Rios Cabrera, Cognitus

$9.13

$6.07

$10.44

Antonio Perez Esclarin, San Pablo

$6.00