Roberto Martialay, Ucab

$6.00

Gaceta Nº 40.549, Njr

$3.00

M. Rodriguez Ferrara, Livrosca

$9.00

A. Ramos - Cormenzana, Diaz de Santos

$45.00

L. Marval - M. Fernandez, Ebvc

$8.77

Alicia Gallotti, Booket

$8.00

A. Freivalds - B. Niebel, Mcgraw Hill

$52.00

C. Fernandez - L. Galguer, Mcgraw Hill

$23.00

$4.00

Gaceta No. 40.540, Njr

$2.00

P. Montoya - M. Ramirez, Mcgraw Hill

$12.00

S. Mcphee - M. Papadakis, Mcgraw Hill

$78.00

C. Torres Pastorino, San Pablo

$3.00

Gaceta Nº 40.468, la Piedra

$1.40

Ramirez Cavassa, Limusa

$20.00

Antonio Perez Esclarin, San Pablo

$5.00

Gaceta No 39.986, Njr

$1.80

Hwei P. Hsu, Mcgraw Hill

$21.00

Gaceta Nº 39.912, Njr

$2.00

Mary C. Townsed, Mcgraw Hill

$55.00

Gaceta Nº 39.820- 40.136, Njr

$2.00

$50.00

Gaceta Nº, la Piedra

$2.00

Berbadillo de Maria, Ediciones de Franquicia

$9.13

Isabel de los Rios, Alvaro Nora

$6.00

A. Diaz - V. Aguilera, Mcgraw Hill

$20.00

$4.00

Ibarzábal Eugenio, Diaz de Santos

$25.00

Gaceta Nº 6.152, Njr

$2.00

J. Lopera - M. Bernal, Intermedio

$9.00