$28.60

Victor M. Rodriguez, Trillas

$14.00

Rocio Bueno, Mcgraw Hill

$6.00

Lic. Clarencio Garcia, Salesiana

$5.73

Freddy Suarez Figueroa, Disutextos

$30.00

$6.00

Sofia Smeke M., Noriega

$28.50

Gisela Soto, Cobo

$12.00

Miguel Del Valle Rojas, Actualidad

$14.57

Azpurua - Alfonzo, Terra Editores

$23.68

I. Brito - M. Rull, Santillana

$34.50

Pablo Bravo, Biosfera

$18.20

Maria Pereira-p. Velasco, Trillas

$13.81

$9.44

Juan J. Gutierrez, Girasol

$11.04