Turmeric (Curcuma longa L.) and Ginger (Zingiber officinale Rosc.) - World's Invaluable Medicinal Spices The Agronomy and Economy of Turmeric and Ginger - Nair, Kodoth Prabhakaran; Nair, Kodoth Prabhakaran (Springer International Publishing : Imprint: Springer, 2019)