00587nam 2200181 450 2122938http://id.bnportugal.gov.pt/bib/porbase/21229380-275-96586-4ESEC_BC_127.iso/17-03-2009/2021820020114d2000 k y0porb0103 baengUSBehind the ballot boxa citizen´s guide to voting systemsDouglas J. AmyWestportPraeger2000221 p.32/34BNporAmyDouglas J.PTESECRPChttp://images.amazon.com/images/P/0275965864.01.MZZZZZZZ.gifCapa do livro