$1.51

$6.07

$10.44

Luis Quintana, Mcgraw Hill

$12.00

Livian Navarro Caro, Panapo

$1.20

$10.20

Antonio Perez Esclarin, San Pablo

$7.29

Abel Cortese, Planeta

$30.00

Luis Quintana, Mcgraw Hill

$24.00

$14.40

$10.44

Norman E. Gronlund, Trillas

$34.91

A. Rubio Gil, Diaz de Santos

$33.60

$10.44

Frida Diaz Barriga Arceo, Mcgraw Hill

$36.00