B. K. J. R. T. J. ZACHARIAH, JOSE ABRAHAM, A GOPALAM, “Navashree and Nithyashree - two new high yielding and high quality cinnamon (Cinnamomum verum Bercht & Presl.) selections”, J Spices Arom Crops, vol. 5, no. 1, pp. 28–33, Jun. 1996.