Joshi, Sushika, and Pradip Bastola. “Phytochemical and Biological Studies on Usnea Orientalis and Rhododendron Campanulatum of Nepal”. Journal of Nepal Chemical Society 30 (December 19, 2013): 118–122. Accessed May 4, 2024. https://www.nepjol.info/index.php/JNCS/article/view/9382.