Alam, Sheikh Shamimul, Masuda Khatun, and Syeda Sharmeen Sultana. ā€œ Lā€. Bangladesh Journal of Botany 40, no. 1 (July 13, 2011): 47ā€“52. Accessed December 1, 2023. https://www.banglajol.info/index.php/BJB/article/view/7997.