Ramiro Perozo Gori

$2.50

Brian L. Weiss, Vergara

$6.74

Flory Dieck, Mcgraw Hill

$30.00

I. Martin - Lacave, Diaz de Santos

$60.00

Gaceta Nº 40.190, Njr

$2.30

Gaceta N. 38.638, R Grafica 2021

$2.00

Agustin de la Herran, Mcgraw Hill

$30.00

K. Allen - E. Meyer, Mcgraw Hill

$50.00

Gaceta Nº 40.106, Rgrafica 2021

$1.80

Barash/cullen/stoelting, Lippincott

$50.00

D. Hames - N. Hooper, Mcgraw Hill

$35.00

Luis Quintana, Mcgraw Hill

$20.00

Dr. Honorio Castejon, Castejon

$8.61

Miriam Perez Acevedo, San Pablo

$5.00

Alexis G. Perez, Fedupel

$10.43

Teddy Milano, Panapo

$11.30

Antonio Luis Cardenas, Dasa

$4.00

Luis Fraga Lo Curto, Funeda

$7.00

Cira de Pira de Pelekais, Cira de Pelekais

$15.00

$15.49

Rafael Badell Madrid, Ucab

$14.62

Gaceta Nº 39.876, Njr

$2.85

Juan Garay, Agr

$1.05

Guaraira Repano, Ernesto Armitano

$10.00

G. Briggs - R. Freeman, Lippincott

$93.00

Gaceta Nº 38.493, Rgrafica

$1.80

Gaceta Nº 40.787, Njr

$2.00

Gaceta Nº 39.839, Rgrafica 2021

$2.85

Luis Quintana, Mcgraw Hill

$10.00

Daniel W. Hart, Prentice Hall

$42.00