$7.59

Sergio Medina Lopez, Noriega

$18.48

Maria Pereira-p. Velasco, Trillas

$13.81

I. Brito - M. Rull, Santillana

$25.81

Freddy Suarez Figueroa, Disutextos

$26.52

Yris Molina G., Monfort

$16.80

Pablo Bravo, Biosfera

$23.76

$11.94

Ines Silva de Legorburu, Santillana

$9.44

Sergio Medina, Noriega

$24.02

$2.40

Maria A. Arias, Actualidad

$30.79

Monserrat Rull, Santillana

$10.63

Sofia Smeke M., Noriega

$20.59

R. Diaz - A. Hernandez, Saber

$16.80