Pablo Rios Cabrera, Cognitus

$9.13

Ana Ponce de Leon, Ccs

$14.40

Antonio Perez Esclarin, San Pablo

$8.40

Antonio Luis Cardenas, Dasa

$4.80

Fe y Alegria, Estudios

$9.60

Norman E. Gronlund, Trillas

$34.91

Antonio Perez Esclarin, San Pablo

$6.00

$10.44

Jose Gregorio Bello P., Panapo

$7.20

Carlos Marx, Literatura Narrativa

$10.20

$14.40

L. Sagols - J. Linares, Mcgraw Hill

$25.20

Frida Diaz Barriga Arceo, Mcgraw Hill

$36.00

$6.07

Miguel Del Cura, Paraninfo

$45.60