I. Brito - M. Rull, Santillana

$25.81

Francisco Avila, Romor

$7.80

G. Katz - M. Katz, Mcgraw Hill

$6.00

Sergio Medina Lopez, Noriega

$18.48

Fernando Gonzalez Lucini, Estudio - Anaya

$6.00

Clara E. Martinez, Girasol Lite

$22.77

Marilo Moreno, Actualidad Escolar 2000

$4.74

Maira Molina Lucero, Trillas

$35.52

Fernando Gonzalez, Estudios - Anaya

$11.94

Maria Pereira-p. Velasco, Trillas

$12.00

Bellanira J. Barcenas V., Saber

$15.60

Gisela Soto, Noriega

$20.59

Clarencio Garcia, Salesiana

$11.94

Yris Molina, Monfort

$7.20

Zoraida Torrealba, Triangulo

$12.00