Isolation and characterization of lignin from okra (Abelmoschus esculentus) fibre and stick. Bangladesh J. Sci. Ind. Res. [Internet]. 2015 Dec. 11 [cited 2026 Jul. 4];50(4):257-62. Available from: https://www.banglajol.info/index.php/BJSIR/article/view/25834