Abraham, Eldhose, et al. “Allelopathic Effect of Leaf Loppings of Homestead Trees on Ginger (Zingiber Officinale Roscoe)”. Journal of Tropical Agriculture, vol. 54, no. 1, Nov. 2016, p. 60, https://jtropag.kau.in/index.php/ojs2/article/view/371.