V.P. Duraisami, V. S. and. “Evaluating the Primary Yield Limiting Leaf Nutrient Deficiency of Coconut (Cocos Nucifera Linn.) in a Major Coconut Growing Zone of Tamil Nadu”. Journal of Plantation Crops, vol. 46, no. 2, Sept. 2018, doi:10.25081/jpc.2018.v46.i2.3722.