Ana Ponce de Leon, Ccs

$12.00

Livian Navarro Caro, Panapo

$1.00

Norman E. Gronlund, Trillas

$23.00

Prof. Ramon Grau, Ediciones Grau

$6.00

Antonio Perez Esclarin, San Pablo

$6.08

$8.70

Dario Linares Hernandez, Dl Editoriales

$8.91

$4.00

A. Rubio Gil, Diaz de Santos

$28.00

Pablo Rios Cabrera, Cognitus

$7.61

Luis Quintana, Mcgraw Hill

$10.00

Abel Cortese, Planeta

$25.00

$1.00

Antonio Luis Cardenas, Dasa

$4.00

Fe y Alegria, Estudios

$8.00