$6.00

Francisco Avila, Saber

$6.00

Elba Albujas Veliz, Biosfera

$22.44

Reinaldo Marin - Otros, Santillana

$11.39

Maira Molina Lucero, Trillas

$35.52

Mercedes Hernandez P., Biosfera

$23.76

C. Navarro - M. Rull, Santillana

$24.29

Lolita Robles de Mora, Premier

$7.20

A. Rondon - I. Berroteran, Salesiana

$12.00

$11.94

Irma Del Valle Brito, Santillana

$11.22

Henry Cedeño, Cobo

$9.60

$7.59

Doris Flores - L. Davila, Larousse

$11.94

$25.81