$14.30

Ednodio Quintero, Planetalector

$10.00

G. Katz - M. Katz, Mcgraw Hill

$5.00

I. Brito - M. Rull, Santillana

$17.00

Luis E. Rincon, Girasol

$19.00

Clarencio Garcia, Salesiana

$4.78

Fernando Gonzalez Lucini, Estudios - Anaya

$7.70

M. Bermudez-t. Moscarella, Santillana

$7.00

Juan J. Gutierrez, Girasol

$19.00

Maria Carolina Orsini, Saber

$15.00

Francisco Avila, Saber

$5.00

Marcela Hinojosa de Coria, Trillas

$6.00

Gisela Soto, Actualidad Escolar 2000

$7.80

Norma Odreman, Everest

$5.50

$7.00