$6.00

J. Erdman - L. Macdonald, Mcgraw Hill

$44.00

Gaceta Nº 29.289, Njr

$2.00

Palmer y Perlman, Mcgraw Hill

$3.46

Gaceta Nº 475, la Piedra

$4.50

Hall, Limusa

$17.00

Ruben Treviño, Mcgraw Hill

$42.00

Fernando Trias de Bes, Empresa Activa

$20.00

Gaceta Nº 496, Njr

$2.00

K. Leveno - G. Cunningham, Mcgraw Hill

$276.30

Charles Hill, Mcgraw Hill

$38.00

Fisher y Kelly, Ediciones Oblelisco

$5.87

Braulio Mejia Garcia, Ecoe Ediciones

$21.40

Freedy J . Orlando S., Ucv

$13.49

M. Menendez - C. Schmidt, Richmond

$10.00

C. Torres Pastorino, San Pablo

$3.00

Robert Greene, Oceano

$26.00

J. Silvestre Mendez, Mcgraw Hill

$48.00

Barcelo Canto, Trillas

$25.00

Toyn F. Villar V., Libra

$10.80

Imelda Arana Saenz, Magisterio

$7.00

Gaceta Nº 38.670, Njr

$0.50

Marisol Aguirre, Univ. Ezequiel Zamora

$14.03

W. Stephen, Mcgraw Hill

$70.00

L. Carrera - M. Vasquez, Panapo

$6.23

Antonio Enriquez Palomino, Fc Editorial

$29.00

Mitchell - Spencer - Otro, Pearson

$19.00

Omar Rodriguez Aguero, Atenea

$7.17

Carreño, Kingkolor

$6.00

Burke A. Cunha, Mcgraw Hill

$25.00