Okik Hendriyanto Cahyonugroho, Euis Nurul Hidayah, Yayok Suryo Purnomo. CHARACTERISATION OF NATURAL ORGANIC MATTER IN COAGULATION PROCESS BY USING SIZE EXCLUSION CHROMATOGRAPHY. IJRSM [Internet]. 2015 Oct. 30 [cited 2024 Dec. 23];2(10):1-4. Available from: http://ijrsm.com/index.php/journal-ijrsm/article/view/646