Brealey Myers Allen, Mcgraw-hill

$30.00

F. Gabaldon Roncajolo, Ula

$8.50

Gaceta Nº 496, Njr

$2.00

Dra.elena Barberia Leache, Ripano

$19.30

Gaceta No. 37.665 04/4/03, la Piedra

$2.00

Roberto Goldschmidt, Ucab

$7.00

Gaceta No. 39.592, Njr

$2.00

Njr, Njr

$3.80

Antonio Canova, Paredes

$8.50

$8.00

Roberto Arenas, Mcgraw Hill

$52.00

Abel Archundia, Mcgraw Hill

$33.00

J. Taylor - A. Weerapana, Cengage

$82.61

Curtis Frye, Mcgraw Hill

$20.00

Carrasco, Mcgraw Hill

$42.00

Carlos Scheel Mayenberger, Trillas

$19.00

Mario Leon, Diaz de Santos

$65.00

G. Gallo - L. Espino, Mcgraw Hill

$25.00

Brian P. Griffin, Lippincott

$79.00

Gaceta No. 39.027, Njr

$1.00

Gaceta Nº 3.004, Njr

$1.40

Joe Vitale, Norma

$9.57

Gaceta N. 40.639, la Piedra

$4.00

J. Cloherty - E. Eichenwa, Lippincott

$70.13

T. Phillips - A. Phillips, Garnet

$5.00

Mario Leon

$66.00

Louise L. Hay, Urano

$12.00

M. Ledezma - C. Zavarce, Actualidad

$10.40

Jaime Henao Jaramillo, Bcv

$7.50

Gaceta Nº 40.318, la Piedra

$2.00