THANKAMANI, K V PETER, K. K. K. S. C. K. “Agronomy of Ginger (Zingiber Officinule Rosc.) a Review”. Journal of Spices and Aromatic Crops, vol. 5, no. 1, June 1996, pp. 01-27, https://updatepublishing.com/journal/index.php/josac/article/view/4369.