S. Aziz, M. Sorowar, and S. Al-Reza, “Phytochemical and Elemental Screening on Different Extracts of Leaf, Flower, Stem& Seed of Cassia Sophera Linn: An Important Medicinal Plant of Bangladesh”, IJPBR, vol. 8, no. 04, pp. 11-16, May 2020.