$2.40

Clara Martinez, Girasol

$21.60

Mercedes Hernandez P., Biosfera

$23.76

Marcos J. Alfonso B., Santillana

$11.94

Maria A. Arias, Actualidad

$33.12

Bellanira J. Barcenas V., Saber

$15.60

C. Navarro - M. Rull, Santillana

$24.29

$28.84

Fernando Gonzalez Lucini, Estudios - Anaya

$11.94

Martha P. Garza, Trillas

$11.94

Clara E. Martinez, Girasol Lite

$22.77

I. Brito - M. Rull, Santillana

$25.81

$8.40

Fedosy Santaella, Loqueleo

$19.73

Elba Albujas Veliz, Biosfera

$22.44