Antonio Luis Cardenas, Dasa

$4.80

Jose Gregorio Bello P., Panapo

$7.20

Abel Cortese, Planeta

$30.00

Daniel Goleman, Building

$27.95

Antonio Perez Esclarin, San Pablo

$8.40

Victor Colina, Biosfera

$9.24

Luis Quintana, Mcgraw Hill

$12.00

Antonio Perez Esclarin, San Pablo

$6.00

A. Rubio Gil, Diaz de Santos

$33.60

Antonio Perez Esclarin, San Pablo

$7.29

$10.44

$14.40

Norman E. Gronlund, Trillas

$34.91

Prof. Ramon Grau, Ediciones Grau

$7.20

Miguel Del Cura, Paraninfo

$45.60