G. Katz - M. Katz, Mcgraw Hill

$6.00

Marcela Hinojosa de Coria, Trillas

$8.71

Juan J. Gutierrez, Girasol

$28.84

Maria Pereira-p. Velasco, Trillas

$13.81

$9.36

Clara E. Martinez, Girasol Lite

$22.77

Marcela Hinojosa de Coria, Trillas

$9.10

J. Pecina - R. Ma. Rosas, Larousse

$1.38

Monserrat Rull, Santillana

$10.62

$18.20

$6.00

Maria Pereira-p. Velasco, Trillas

$12.00

Yolanda de Bremo, Monfort

$7.20

Clara Martinez, Girasol

$21.60

Gumersindo Fernandez, Everest

$11.94