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17. TRADE PAYABLES (Tables)
 12 Months Ended
Dec. 31, 2020
Trade Payables  
Schedule of trade payables
        Consolidated
  Current Non-current
  12/31/2020   12/31/2019   12/31/2020
Trade payables           4,893,589             3,012,654                594,051
(-) Adjustment present value               (74,050)                                               (50,524)
            4,819,539             3,012,654                543,527