P.BANGARAIAH, and P.ASHOK KUMAR. 2013. “REMOVAL OF METHYLENE BLUE BY USING GREWIA ORBICULATA ROTTL . ( ZINGROOL TREE) AS BIOSORBENT”. International Journal of Pharma and Bio Sciences 4 (3):325-33. https://ijpbs.net/index.php/journal/article/view/2581.