David Wechsler, Paidos

$9.47

$8.40

Ricardo Gil Otaiza, San Pablo

$6.00

Agustin de la Herran, Mcgraw Hill

$36.00

$9.60

$10.20

Miriam Perez Acevedo, San Pablo

$6.00

$14.40

Beatriz Goris, Homosapiens

$7.80

$10.20

$10.20

$11.48

Jorge Ullua, Homosapiens

$6.96