0102-5473 0102-5473 S0102-54732018000100352 10.5007/2175-795X.2018v36nlp352 Brazil 00 03 2018 00 03 2018 36 1 352 369

10 10 81-9 20 20 60-70 57 57 210-26 14 14 61-88 18 18 53-73