Augusto Cury, Planeta

$12.00

Ramon Zambrano, Ula

$9.47

Stanley Baran-j. Hidalgo, Mcgraw Hill

$44.40

Maria Teresa Lepeley, Mcgraw Hill

$30.00

Dra. L.i. Luzardo de Z., Siap

$9.60

Edgar Morin, Faces - Ucv-unesco

$6.82

$7.80

Kevin Carroll, Mcgraw Hill

$14.40

Carlos Fernandez Collado, Mcgraw Hill

$45.60

O. Misle - F. Pereira, Diana

$11.35