$6.07

Norman E. Gronlund, Trillas

$34.91

$14.40

$10.44

Ana Ponce de Leon, Ccs

$14.40

Livian Navarro Caro, Panapo

$1.20

Frida Diaz Barriga Arceo, Mcgraw Hill

$36.00

Antonio Perez Esclarin, San Pablo

$8.40

Abel Cortese, Planeta

$30.00

H. Reichmann, Thomson

$42.00

Antonio Luis Cardenas, Dasa

$4.80

Jose Gregorio Bello P., Panapo

$7.20

Carreño, Kingkolor

$7.20

$10.44

Aldebaran Contreras, Davide Publicidad

$8.40