M. Martinez Lurdez, Magrawhill

$30.00

Odalis Cañizalez, Cv. Editores

$15.00

F. Barriga - G. Hernandez, Mcgraw Hill

$33.60

Carlos Sabino, Panapo

$6.55

Marcos Fidel Barrera, Quiron

$11.48

Fidias G. Arias, Episteme

$9.64

R. Hernandez - N. Mendoza, Mcgraw Hill

$30.00

F. Kerlinger - H. Lee, Mcgraw Hill

$51.94

Margarita A. de Sanchez, Trillas

$39.46

W. Hurley - C. Denegar, Lippincott

$88.28

Dorothy Adkins Wood, Trillas

$27.32

Marcos Fidel Barrera, Sypal

$13.56

Aura Bavaresco de Prieto, Luz

$8.40

Magaly Torres de Cardenas, Ucv

$10.52

S. Dominguez - E. Sanchez, Mcgraw Hill

$24.00