Bhagat, Sarjan, and Ombir Singh. “Studies on Determination of Optimum Sowing Method of <I>Prinsepia utilis< I> Royle Seed in the Field”. Indian Forester, vol. 117, no. 2, Feb. 1991, pp. 117-9, doi:10.36808/if/1991/v117i2/8576.