K N Babu, B K Moorthy, B Sasikumar, P Haridas, J K George, K V Saji, T J Zachariah, P N Ravindran, and P A Mathew, V A Parthasarathy. “’IISR Thevam’, ’IISR Malabar Excel’ and ’IISR Girimunda’- Three New Black Pepper (Piper Nigrum L.) Clones”. Journal of Spices and Aromatic Crops 13, no. 1 (June 26, 2004): 01–05. Accessed May 6, 2024. https://updatepublishing.com/journal/index.php/josac/article/view/4778.