Walter Riso, Planeta

$12.00

Dale Carnegie, el Trebol

$10.80

Walter Riso, Planeta

$21.54

Florence Littauer, Unilit

$10.75

Lair Ribeiro, Urano

$9.13

Renny Yagosesky, Jupiter

$7.20

Glade B. Curtis-schuler, Planeta

$13.20

Helymar Marquez, Helymar Marquez

$12.00

Ed Young, Unilit

$8.89

Laura Jensen Walker, Unilit

$7.20

Spencer Johnson, Empresa Activa

$21.60

Dale Carnegie, Globals Ediciones

$24.00

Og Mandino, Diana

$12.00

Robert T. Kiyosaki, Debolsillo

$26.40

Jurgen Klaric, Planeta

$26.40