Mariana Obregon, Saber

$16.00

$11.94

Marcos J. Alfonso B., Santillana

$9.10

Ana Maria Maqueo, Noriega

$29.00

Sashenka Garcia, Romor

$7.80

Freddy Suarez Figueroa, Disutextos

$28.60

Marilo Moreno, Actualidad Escolar 2000

$4.73

D. Tovar - N. Gonzalez, Terra Editores

$23.68

Elba Albujas Veliz, Biosfera

$21.00

Maira Molina Lucero, Trillas

$35.00

Angel Diaz de Cerio, Estudios

$7.72

$7.59

C. Navarro - M. Rull, Santillana

$26.00

D. Vasquez - F. Ramirez, Actualidad Escolar 2000

$30.78

Gisela Soto, Noriega

$20.59