Ankegowda, K Padmini, M N Venugopal, S J. 2000. “Heterosis for Seedling Characters in Cardamom (Elettaria Cardamomum Maton)”. Journal of Spices and Aromatic Crops 9 (2):149-53. https://updatepublishing.com/journal/index.php/josac/article/view/4658.