L. N. Khanal, K. R. Sharma, Y. R. Pokharel, and S. K. Kalauni, “Characterization of Essential Oil, Estimation of Phenolic and Flavonoid Content and Biological Activities of Ephedra pachyclada BOISS”, J. Inst. Sci. Tech., vol. 27, no. 1, pp. 27–35, Jul. 2022.