P.BANGARAIAH; P.ASHOK KUMAR. REMOVAL OF METHYLENE BLUE BY USING GREWIA ORBICULATA ROTTL . ( ZINGROOL TREE) AS BIOSORBENT. International Journal of Pharma and Bio Sciences, [S. l.], v. 4, n. 3, p. 325–333, 2013. Disponível em: https://ijpbs.net/index.php/journal/article/view/2581. Acesso em: 4 sep. 2026.