K V N S Srinivas, M Singh,. 2014. “Influence of Age of Rooted Cutting, Nitrogen and Stage of Harvest on Growth, Yield and Quality of Patchouli [Pogostemon Cablin (Blanco) Benth.]”. Journal of Spices and Aromatic Crops 23 (1):80-85. https://updatepublishing.com/journal/index.php/josac/article/view/5097.