Mehra, T. S., et al. “A Simple and Cost-Effective Method of Raising Quality Planting Material of <I>Picrorhiza kurroa< I> Royle Ex. Benth”. Indian Forester, vol. 142, no. 2, Feb. 2016, pp. 203-4, doi:10.36808/if/2016/v142i2/88813.