Gaceta Nº 38.326, Ciro Leon

$2.00

Simmons, Mcgraw Hill

$10.00

Gaceta No. 39.592, Njr

$2.00

$10.00

Imelda Arana Saenz, Magisterio

$7.00

Ivan Mirabal Rendon, Universitas

$10.00

Gaceta No. 5.507, Njr

$3.00

Norman Lavin, Lippincot

$64.00

Mª de la Luz Balderas P., Mcgraw Hill

$47.00

Antonio Enriquez Palomino, Fc Editorial

$29.00

Ivan Mirabal Rendon, Universitas

$10.00

Gaceta Nº 4.883, la Piedra

$1.40

E. Agueda - T. Gomez, Paraninfo

$28.00

James-otis Rodner S., Academia de Ciencias

$6.00

Maria Teresa Lepeley, Mcgraw Hill

$25.00

J. Canfield - M.v. Hansen, Hci

$8.00

Frank Petit Da Costa, Liber

$5.40

I. Chiavenato - A. Sapiro, Mcgraw Hill

$27.00

$0.50

Gilbert A. Churchill Jr, Thomson

$35.00

Effy Oz, Cengage Learning

$54.00

Gaceta Nº, la Piedra

$1.40

Jose L. Villegas M., Funeda

$4.00

Ucab, Ucab

$6.00

Jacqueline Hurtado, Quiron

$12.61

Gaceta Nº 40.286, la Piedra

$7.00

Gageta 36189, Eduven

$8.50

J. Feist - G. Feist, Mcgraw Hill

$30.00

Marisol Aguirre, Univ. Ezequiel Zamora

$14.03

Gaceta No 38.863, Njr

$2.00