Islam, Md Azharul, and Shahanara Begum. “ Lipid and Nuclei in Xylem and Phloem of Tectona Grandis Linn”. Journal of Bio-Science 19 (December 19, 2012): 29–35. Accessed May 24, 2022. https://banglajol.info/index.php/JBS/article/view/12997.