0103-6831 0103-6831 S0103-68312017000100236 /10.18222/eae.v0ix.3385 Brazil Brazil 00 04 2017 00 04 2017 28 67 236 254

2000 2000 Caxambu 1992 2008 1992 16 2 2 159-76 1993 17 4 4 351-63 1997 1 2003 1974 39 39 111-21 2002 15 3 3 549-60