Kumar, Devendra, et al. “Effect of Shade and Organic Manure on Growth and Yield of Patchouli [<I>Pogostemon cablin< I> (Blanco) Benth.] under Teak (<I>Tectona grandis< I> L. F.) Based Agroforestry System”. Indian Forester, vol. 142, no. 11, Nov. 2016, pp. 1121-9, doi:10.36808/if/2016/v142i11/105619.