Farooqi, K N Srinivasappa, K M Ramachandra, M Vasundhara, A A. 2003. “Effect of Varieties and Spacings on Growth, Yield and Quality of Patchouli (Pogostemon Patchouli Pellet.)”. Journal of Spices and Aromatic Crops 12 (1):43-46. https://www.updatepublishing.com/journal/index.php/josac/article/view/4751.