Singh, M. “Effect of Organic and Inorganic Fertilizers on Growth, Yield and Nutrient Uptake of Patchouli [Pogostemon Cablin (Blanco) Benth.] in a Semi-Arid Tropical Climate”. Journal of Spices and Aromatic Crops, vol. 20, no. 1, June 2011, pp. 48-51, https://updatepublishing.com/journal/index.php/josac/article/view/5151.