Samaddar, Tapojita, Sayantika Sarkar, and Sumita Jha. “Agrobacterium Rhizogenes Mediated Transformation of the Critically Endangered Species, Swertia Chirayita”. Plant Tissue Culture and Biotechnology 29, no. 2 (December 2, 2019): 231–244. Accessed May 16, 2022. https://www.banglajol.info/index.php/PTCB/article/view/44512.