Stephen R. Covey, Grijalbo

$7.84

Dr. Lair Ribeiro, Urano

$4.73

Dr. Eduard Estivill, Booket

$5.50

$5.00

Laurie Albarran, Diana

$10.67

$3.50

David J. Schwartz, Taller Del Exito

$8.70

V. Bote- Ma. Such -l. Esc, Mc Graw Hill

$33.17

Paulo Coelho, Planeta

$9.00

Audrey Carlan, Planeta

$14.00

Walter Riso, Planeta

$10.00

M. Diaz Rodriguez, Panapo

$10.00

$3.50

Ref. Plc-3, Dist. Qbos

$5.00

$20.00