$9.60

Peter Norton, Mcgraw Hill

$42.00

Gaceta N. 39.913, la Piedra

$3.00

Lair Ribeiro, Urano

$7.20

Dr. Lair Riveiro, Urano

$8.40

$4.80

Jesus Mora Contreras, Ula

$8.40

G. Belch & M. Belch, Mcgraw Hill

$37.02

C. Hernandez - J.carrasco, Mcgraw Hill

$30.26

Carlos A. Ledesma, Buyatti

$32.63

Nina Singh - Radcliff, Lippincott

$95.46

R. Halgin - S. Krauss, Mcgraw Hill

$54.00

$18.59

Gaceta Nº 39.363, Njr

$1.68

Gaceta Nº 1.631, Njr

$1.33

D. Gardner - D. Shoback, Mcgraw Hill

$168.00

Gaceta Nº 6.129, Njr

$1.20

Gaceta No. 39.952, Njr

$2.40

H. Koontz - H. Weihrich, Mcgraw Hill

$85.20

Gaceta No. 6.148, R Grafica 2021

$2.40

Wright, Limusa

$26.40

J. Badillo-r. Rodriguez, Limusa Noriega Editores

$36.96

Rodrigo Dick Perez Bravo, Alvaro Nora

$9.60

Oscar Hernandez Alvarez, Aiadtss

$8.40

Gaceta Nº 34.772, Eduven

$2.40

Kenneth Ryan - George Ray, Mcgraw Hill

$110.40

Steve Schwartz, Mc Graw Gil

$24.00

John Gray, Grijalbo

$8.16

Lair Ribeiro, Urano

$12.00

Ronald Chacin Fuenmayor, Luz

$7.20