JAYACHANDRAN, P. B. B. K. “Mulch Requirement of Ginger (Zingiber Officinale Rosc.) under Shade”. Journal of Spices and Aromatic Crops, vol. 6, no. 2, Dec. 1997, pp. 141-3, https://updatepublishing.com/journal/index.php/josac/article/view/4401.