Bruce Wilkinson, Unilit

$6.77

Glade B. Curtis-schuler, Planeta

$11.00

Gaceta Nº 6.155, Njr

$1.80

Ref.lr6/ Mn1500, Leo Colina

$1.75

Gaceta No. 5.833, Njr

$2.00

Alexis G. Perez, Fedupel

$10.43

Fidias G. Arias, Episteme

$8.04

Maricarmen Paz Miranda, Atenea

$7.00

W. Smith - J. Hashemi, Mcgraw Hill

$68.00

Curt Simmons, Mcgraw Hill

$20.00

Gaceta Nº 38.263, la Piedra

$2.85

Gaceta Nº 39.503 - 6.154, Njr

$3.00

Fernandez, Ra-ma

$47.57

F. Beer - R. Johnston, Mcgraw Hill

$98.00

Gaceta Nº 40.867, la Piedra

$2.85

$4.00

Gaceta N°3927, Enjr

$1.00

Fernando L. Gonzalez Rey, Mcgraw Hill

$33.00

Miguel David Rojas Lopez, Ecoe Ediciones

$21.92

Gaceta Nº 39.866, Njr

$2.00

Gaceta Nº 5.554, Dabosan

$1.00

Gaceta N° 39.303, Njr

$1.00

Hector Ramon Peñaranda Q., Luz

$10.00

Gaceta Nº 39.866, Njr

$2.00

Mariano Sigman, Debate

$23.95

Gaceta Nº 6.181, la Piedra

$2.85

Luis Miguel Avila Merino, Ucab

$7.00

Jose Efren Cornejo Garza, Mcgraw Hill

$48.00

Nelson Fumo - Zambrano, Feunet

$3.46

A. Miravete - E. Larrode, Reverte

$30.00