Maheswarappa, H., Krishnakumar, V., Srinivasa Reddy, D., Dhanapal, R. and Zachariah, T.J. 2012. Performance of different varieties/hybrids of black pepper (Piper nigrum L.) as mixed crop in coconut garden. Journal of Plantation Crops. 40, 2 (Aug. 2012), 82–87.