Livian Navarro Caro, Panapo

$1.20

Dario Linares Hernandez, Dl Editoriales

$10.69

Pablo Rios Cabrera, Cognitus

$9.13

Norman E. Gronlund, Trillas

$34.91

$6.07

Frida Diaz Barriga Arceo, Mcgraw Hill

$36.00

$1.51

Carreño, Kingkolor

$7.20

Antonio Perez Esclarin, San Pablo

$6.00

Jose Gregorio Bello P., Panapo

$7.20

Antonio Perez Esclarin, San Pablo

$7.29

H. Reichmann, Thomson

$42.00

Luis Quintana, Mcgraw Hill

$24.00

Aldebaran Contreras, Davide Publicidad

$8.40

L. Sagols - J. Linares, Mcgraw Hill

$25.20