Ignacio Larrañaga, San Pablo

$7.20

Helymar Marquez, Helymar Marquez

$12.00

Gio Zararri, Vergara

$28.74

Dale Carnegie, el Trebol

$10.80

Brian Tracy, Empresa Activa

$23.94

M. Ines Bernal, Intermedio

$12.00

Maria de los Angeles R., Grupo Zeta

$11.19

Virginia Satir, Concepto

$7.20

John Gray, Top Emece

$8.16

Schwarz y Schweppe, Robin Book

$7.59

Ricardo Bulmez, Urania

$7.20

Stephen R. Covey, Paidos

$21.60

Deepak Chopra, Grijalbo

$8.40

Og Mandino, Diana

$12.00

J. Lopera - M. Bernal, Intermedio

$12.00