Jorge Ullua, Homosapiens

$6.96

Miriam Perez Acevedo, San Pablo

$6.00

Agustin de la Herran, Mcgraw Hill

$36.00

Ricardo Gil Otaiza, San Pablo

$6.00

V. Mir - D. Corominas, Narcea

$6.00

$10.20

$8.40

$14.40

David Wechsler, Paidos

$9.47

$9.60

Beatriz Goris, Homosapiens

$7.80

$10.20

$11.48