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T. Indarwati, Maria, M.S. Mahendra, & I W. Arthana.
" ANALISIS KADAR LOGAM BERAT AIR SUNGAI SEKONYER DI KABUPATEN KOTAWARINGIN BARAT KALIMANTAN TENGAH.." <em>ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science)</em> [Online], 2.2 (2007): n. pag. Web. 29 Aug. 2026