Metode pengujian kadar nitrogen total sedimen layang dengan alat destilasi kjeldahl secara titrasi
Indonesia. Badan Standardisasi NasionalUnknown
Badan Standardisasi Nasional (Bandung, [1996]) (ind) IndonesianUnknownStandar Nasional Indonesia (SNI)UnknownWATER-TESTING-STANDARDS; UnknownUnknown