Anandaraj, M N VENUGOPAL, M J MATHEW, M. 1999. “Breeding Potential of Pentalonia Nigronervosa F. Caladii Van Der Goot (Homoptera: Aphididae) on Katte Escape Cardamom (Elettaria Cardamomum Maton) Plants”. Journal of Spices and Aromatic Crops 8 (2):189-91. https://updatepublishing.com/journal/index.php/josac/article/view/4670.