Frida Diaz Barriga Arceo, Mcgraw Hill

$36.00

$10.20

A. Rubio Gil, Diaz de Santos

$33.60

Miguel Del Cura, Paraninfo

$45.60

$6.07

Antonio Perez Esclarin, San Pablo

$6.00

Prof. Ramon Grau, Ediciones Grau

$7.20

Antonio Perez Esclarin, San Pablo

$8.40

Ana Ponce de Leon, Ccs

$14.40

Pablo Rios Cabrera, Cognitus

$9.13

Jose Gregorio Bello P., Panapo

$7.20

Victor Colina, Biosfera

$9.24

Antonio Luis Cardenas, Dasa

$4.80

Livian Navarro Caro, Panapo

$1.20

$6.07