Marcos Fidel Barrera, Sypal

$11.30

Mirian Balestrini Acuña, Servicio Editorial

$12.39

Lasty Balseiro Almario, Trillas

$27.83

Dorothy Adkins Wood, Trillas

$22.77

Yilmar Campbell, Universidad Carabobo

$8.00

Marcos Fidel Barrera, Quiron

$9.57

S. Dominguez - E. Sanchez, Mcgraw Hill

$20.00

Julian Rodriguez, San Pablo

$11.52

Margarita A. de Sanchez, Trillas

$32.89

Fidias G. Arias, Episteme

$8.04

F. Kerlinger - H. Lee, Mcgraw Hill

$43.29

Mario Tamayo y Tamayo, Limusa

$23.00

R. Hernandez - N. Mendoza, Mcgraw Hill

$25.00

Carlos Sabino, Panapo

$5.46

Piergiorgio Corbetta, Mcgraw-hill

$38.00