Elba Albujas Veliz, Biosfera

$22.44

Carolina Peña, Actualidad

$2.09

J. Pecina - R. Ma. Rosas, Larousse

$11.94

M. Bermudez-t. Moscarella, Santillana

$10.62

$8.71

Gisela Soto, Noriega

$27.95

Sergio Medina Lopez, Noriega

$18.48

Griselda Navas, Romor

$6.00

Freddy Suarez Figueroa, Disutextos

$30.00

Maria Pereira-p. Velasco, Trillas

$13.81

$26.00

Reinaldo Marin, Santillana

$11.38

$28.60

Marcos J. Alfonso B., Santillana

$9.10

B. Barcena - M. Giraldez, Romor

$7.20