KANDIANNAN, K V PETER, C K THANKAMANI, K SIVARAMAN, K. 1994. “Agronomy of Tree Spices (clove, Nutmeg, Cinnamon and Allspice) - a Review”. Journal of Spices and Aromatic Crops 3 (2):105-23. https://www.updatepublishing.com/journal/index.php/josac/article/view/4435.