M. Martinez Lurdez, Magrawhill

$30.00

F. Kerlinger - H. Lee, Mcgraw Hill

$51.94

Aura Marina Bavaresco, la Universidad Del Zulia

$9.00

Alexis G. Perez, Fedupel

$12.51

Margarita A. de Sanchez, Trillas

$39.46

Marcos Fidel Barrera, Sypal

$13.56

Mirian Balestrini Acuña, Servicio Editorial

$14.86

Melissa Rosales, Diana

$12.00

Odalis Cañizalez, Cv. Editores

$15.00

R. Hernandez - N. Mendoza, Mcgraw Hill

$30.00

S. Dominguez - E. Sanchez, Mcgraw Hill

$24.00

W. Hurley - C. Denegar, Lippincott

$88.28

Marcos Fidel Barrera, Quiron

$11.48

Magaly Torres de Cardenas, Ucv

$10.52

Margarita A. de Sanchez, Trillas

$39.46