Stephen R. Covey, Grijalbo

$7.84

Canfield-otros, Norma

$10.00

David J. Schwartz, Taller Del Exito

$8.70

$3.50

J.r.r Tolkien, Booket

$16.00

Laurie Albarran, Diana

$10.67

$20.00

Steve Sephens, Unilit

$6.77

Maiah Ocando, Saber

$3.00

Denisse Robles Hernandez, Mcgraw Hill

$18.00

Ref. 800m10, Corpobro

$3.00

Maria Barbara Rondon, Planeta

$6.76

Ingrid Serrano Duque, Planeta

$10.00

$3.50

Tito Balza Santaella, Jose Rafael Parra

$14.78