Elba Albujas Veliz, Biosfera

$22.44

Mercedez Hernandez Perez, Biosfera

$23.76

Juan J. Gutierrez, Girasol

$28.84

Ana Maria Maqueo, Noriega

$20.59

$8.40

I. Brito - M. Rull, Santillana

$25.81

Rocio Bueno, Mcgraw Hill

$6.00

$28.84

$7.59

N. Odreman - R. Diaz, Everest

$11.94

Marcela Hinojosa de Coria, Trillas

$11.94

Mercedes Hernandez P., Biosfera

$23.76

Clara E. Martinez, Girasol Lite

$22.77

Irene Esquivel, Noriega

$30.89

Henry Cedeño, Cobo

$11.94