NAIR, K RAMACHANDRAN, P N CHANDRASEKHARAN. 1992. “Cytological Studies on Diploid and Autotetraploid Ginger (Zingiber Officinale Rosc.)”. Journal of Spices and Aromatic Crops 1 (2):125-30. https://updatepublishing.com/journal/index.php/josac/article/view/4292.