OPTIMIZATION OF COAGULATION-FLOCCULATION PROCESS FOR COLOUR REMOVAL FROM AZO DYE USING NATURAL POLYMERS: RESPONSE SURFACE METHODOLOGICAL APPROACH. NIJOTECH [Internet]. 2017 Mar. 31 [cited 2026 Jun. 3];36(2):482-95. Available from: https://mail.nijotech.com/index.php/nijotech/article/view/1299