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Detail SNI
  1. JIS K.0102.55 : 2002, Testing methods for industrial wastewater
  1. LS.Clesceri, A.E. Greenberg, A.D. Eaton, Standard methods for the Examination of water and Wastewater, 20 th Edition (1998), 3111A and 3111C, APHA, AWWA and WPCF, Washington DC.