Mercedez Hernandez Perez, Biosfera

$21.00

$6.00

M. Bermudez-t. Moscarella, Santillana

$10.62

Judith Herrada, Santillana

$8.71

A. Rondon - I. Berroteran, Salesiana

$12.00

$26.50

N. Odreman - R. Diaz, Everest

$11.94

Marcos J. Alfonzo B., Santillana

$11.94

Maria Pereira-p. Velasco, Trillas

$12.00

Henry Cedeño, Cobo

$9.60

$8.40

$26.50

J. Pecina - R. Ma. Rosas, Larousse

$7.20

Gisela Soto, Noriega

$20.59

C. Navarro - M. Rull, Santillana

$26.00