Antonia de la O Cavazos, Trillas

$15.60

C. Navarro - M. Rull, Santillana

$16.00

Doris Flores - L. Davila, Larousse

$11.00

Maira Molina Lucero, Trillas

$19.50

Bellanira J. Barcenas V., Saber

$13.00

B. Barcena - M. Giraldez, Romor

$6.00

Ana Maria Maqueo, Noriega

$18.20

$5.00

$8.00

Fernando Gonzalez Lucini, Estudios - Anaya

$7.00

N. Odreman - R. Diaz, Everest

$5.50

Mercedez Hernandez Perez, Biosfera

$18.00

Marilo Moreno, Actualidad Escolar 2000

$2.60

Mercedez Hernandez Perez, Biosfera

$18.00

Martha P. Garza, Trillas

$15.60