$37.80

Martha P. Garza, Trillas

$14.00

Henry Cedeño, Cobo

$11.94

G. Katz - M. Katz, Mcgraw Hill

$6.00

Clara E. Martinez, Girasol

$32.50

$3.50

Freddy Suarez Figueroa, Disutextos

$30.00

Marcela Hinojosa de Coria, Trillas

$9.10

Gisela Soto, Cobo

$12.00

Marilo Moreno, Actualidad Escolar 2000

$4.73

Yolanda de Bremo, Monfort

$7.20

Marcos J. Alfonzo B., Santillana

$12.00

Doris Flores - L. Davila, Larousse

$11.94

I. Brito - M. Rull, Santillana

$34.50

$26.00