Isolation and Characterization of Lignin obtained from Calliandra calothyrsus shrub using FT-IR Spectroscopy. Int. J. Curr. Eng. Technol. [Internet]. 2014 Apr. 30 [cited 2026 Apr. 13];4(2):542-4. Available from: https://ijcet.evegenis.org/index.php/ijcet/article/view/569