Ganga, M Anandaraj, V A Parthasarathy, K. J. G. R. S. V. S. “A Method for Isolation and Reverse Transcription of High Quality RNA from Piper Species”. Journal of Spices and Aromatic Crops, vol. 14, no. 1, June 2005, pp. 10-14, https://updatepublishing.com/journal/index.php/josac/article/view/4808.