C. Pelekais - P. Gonzalez, Cira Pelekais
$6.52
P. Samuelson - W Nordhaus, Mcgraw Hill
$57.00
Marianela Castes Boscan, Grupo Zeta
$11.35
Ronald Chacin Fuenmayor, Luz
$6.00
D. Eiteman - A. Stonehill, Prentice Hall
$35.00
H. Koontz - H. Weihrich, Mcgraw Hill
$72.00