Carlos A. Roldan, Lippincott

$113.00

G. Gallo - L. Espino, Mcgraw Hill

$25.00

Juan Garay, Agr

$3.00

Varios, los Angeles Editores

$14.20

Freedy J . Orlando S., Ucv

$13.49

Hector Rodriguez Bauza, Punto

$6.50

Dr. Ing. Harry Osers, Refolit C.a.

$12.28

Tito Balza Santaella, Tito Balza Santaella

$5.00

Augusto Cury, Planeta

$10.00

Mirian Balestrini Acuña, Servicio Editorial

$12.39

Miguel A. Torrealba, Funeda

$6.00

Hugo Prieto, la Hoja Del Norte

$10.00

J. Feist - G. Feist, Mcgraw Hill

$30.00

Antonio J. Hernandez G., Ula

$10.57

Stephen M. R. Covey, Paidos

$19.95

Frida Diaz Barriga Arceo, Mcgraw Hill

$30.00

Julio Sepulveda Saavedra, Mcgraw Hill

$90.00

Gaceta Nº 38.819, Njr

$2.00

Marcos F. Barrera Morales, Sypal

$7.00

Gaceta 3.998, Njr

$2.00

Stanley L. Grossman, Mcgraw Hill

$47.00

Steve Schwartz, Mc Graw Gil

$20.00

Nicola Minervini, Mcgraw Hill

$19.38

Camilo Cruz, Taller de Exito

$8.00

Gaceta Nº 37.296, Eduven

$8.50

Juan Garay, Agr

$2.00

Goodman, Mcgraw Hill

$5.00

M. Ledezma - C. Zavarce, Actualidad

$10.40

Tommy Tenney, Editorial Unilit

$7.41

J. Romero - G. Tena, Mcgraw Hill

$40.00