1982-9949 1982-9949 S1982-99492016000100233 10.17058/rea.v24i1.7021 00 04 2016 00 04 2016 24 1 233 254

10 1 1 155-67 9 2 2 554-74 28 100 100 1105-128 28 1 1 117-36 9 2 2 586-99 12 35 35 290-99 20 83-94 29 139-51 20 2 2 71-99 2 2 2 207-33