Alexis G. Perez, Fedupel

$10.43

Dorothy Adkins Wood, Trillas

$22.77

Aura Bavaresco de Prieto, Luz

$11.52

W. Hurley - C. Denegar, Lippincott

$73.57

Margarita A. de Sanchez, Trillas

$32.89

R. Hernandez - N. Mendoza, Mcgraw Hill

$25.00

Fidias G. Arias, Episteme

$8.04

Jacqueline Hurtado, Quiron

$12.61

Julian Rodriguez, San Pablo

$11.52

F. Kerlinger - H. Lee, Mcgraw Hill

$43.29

Margarita A. de Sanchez, Trillas

$32.89

Piergiorgio Corbetta, Mcgraw-hill

$38.00

Mirian Balestrini Acuña, Servicio Editorial

$12.39

L. Carrera - M. Vasquez, Panapo

$6.23

Marcos Fidel Barrera, Quiron

$9.57