J. Cloherty - E. Eichenwa, Lippincott

$70.13

Stanton - Etzel - Walker, Mcgraw Hill

$38.00

Gaceta Nº 6.017, Njr

$1.40

Nº 5390, Dabosan

$1.00

Ucab, Ucab

$9.78

Juan Garay - Miren Garay, Agr

$3.00

Maria J. Mass Herrera, Panapo

$10.00

$4.00

Gaceta, la Piedra

$1.40

M. Rodriguez Ferrara, Livrosca

$9.00

Francisco Mustieles G., Nomadas

$3.46

Gemma Morales, Diana

$9.00

Carlos Tablante, Cyngular

$10.00

Dra. L.i. Luzardo de Z., Siap

$8.00

J. Sierra - A. Cruz, los Angeles Editores

$5.00

Patrick A. Gaughan, Deusto

$35.00

Y. Cengel - J. Cimbala, Mcgraw Hill

$36.00

V. Mir - D. Corominas, Narcea

$5.00

Walter Riso, Planeta

$10.00

Gaceta N. 39.912, la Piedra

$2.50

Juan Garay, Agr

$5.00

Gareth Jones - Jennifer M, Mcgraw Hill

$35.00

Carmen E. Porras de Roa, Tsj

$7.00

Varios, los Angeles Editores

$16.29

M. Cejas - N. Chirinos, Universidad de Carabobo

$18.00

Seshia Madyaj, Nancy Margarita

$5.00

Gaceta Nº 39.936, R Graficas

$3.80

Gaceta Nº 37.296, Eduven

$8.50

S. Zambrano - S. Leal, Feunet

$16.41

Gaceta Nº 37.261, Njr

$2.00