S Syamkumar, B Sasikumar, Jithin Prem, Jaleel kizhakkayil, Elizabeth Thomas, K Dhanya,. 2008. “ Elite and Exotic Ginger Genotypes to Protect the Biowealth of Elite Ginger Accessions”. Journal of Spices and Aromatic Crops 17 (2):85-90. https://www.updatepublishing.com/journal/index.php/josac/article/view/4898.