Sofia Smeke M., Noriega

$20.59

Fernando Gonzalez Lucini, Estudios - Anaya

$8.40

Francisco Avila, Saber

$6.00

Luis R. Rincon, Girasol Lite

$22.77

G. Katz - M. Katz, Mcgraw Hill

$6.00

Ana Maria Maqueo, Noriega

$20.59

$8.71

C. Navarro - M. Rull, Santillana

$24.29

$21.31

$8.40

Bellanira J. Barcenas V., Saber

$15.60

Freddy Suarez Figueroa, Disutextos

$26.52

M. Bermudez-t. Moscarella, Santillana

$10.63

De Rivero - de Contreras, Romor

$7.80

Marcela Hinojosa de Coria, Trillas

$9.11