S. Mantilla Blanco, Ecoe

$27.39

J. Lopera G. - M.i.bernal, Intermedio

$12.00

Miguel David Rojas Lopez, Ecoe Ediciones

$26.30

Iesa, Iesa

$8.40

Robert Greene, Oceano

$48.00

Naisbitt & Aburdene, Norma

$8.40

Daniel Gil Adi

$10.37

M. Fernandez - R. Gandara, Diaz de Santos

$30.00

Chris J. Thomas, Fc Editorial

$42.00

J. Lopera G. - M.i.bernal, Diana

$12.00

C. Sanchez - A. Enriquez, Fc Editorial

$37.20

Carlos Alarico Gomez, Panapo

$7.80

D. Cohen - E. Asin, Mcgraw Hill

$36.00

Carlos Alonso, Diaz de Santos

$24.00

Robert Greene, Oceano

$48.00