Luis C. Silva Aycaguer, Diaz de Santos

$24.00

Gemma Morales, Diana

$9.00

Jose Halabe Cherem, Mcgraw Hill

$25.00

Bertha Y. Higashida, Mcgraw Hill

$51.58

$29.82

M. de la Mora - C. Lozoya, Mcgraw Hill

$33.00

J. Erdman - L. Macdonald, Mcgraw Hill

$44.00

Isabel de Val-pardo, Diaz de Santos

$27.00

Dr. Alejandro Briceño, Famac

$15.00

Kena Moreno, Trillas

$27.83

Daniela Jakubowicz, Planeta

$7.10

Jorge Urbina

$10.00

Lucila Scavone, Lur

$10.52