Singh, M. “Compatibility of Legumes, an Aromatic Crop and a Cereal As Intercrops in Palmarosa (Cymbopogon Martinii Stapf.)”. Journal of Spices and Aromatic Crops, vol. 12, no. 2, Dec. 2003, pp. 190-3, https://updatepublishing.com/journal/index.php/josac/article/view/4776.