$6.00

C. Navarro - M. Rull, Santillana

$20.00

$20.80

Marcos J. Alfonso B., Santillana

$11.94

Victor M. Rodriguez, Trillas

$11.94

Juan J. Gutierrez, Girasol

$27.50

Jose Salgado, Discolar

$11.94

Irene Esquivel, Noriega

$30.88

Francisco Avila, Saber

$12.00

I. Brito - M. Rull, Santillana

$20.00

$21.00

G. Katz - M. Katz, Mcgraw Hill

$6.00

Marilo Moreno, Actualidad Escolar 2000

$4.73

M. Restrepo - L. Rios, Susaeta

$11.94

Pedro Izquierdo, Salesiana

$6.00