Kumar K R , N., and D. C.R. “A Novel Approach for Management Zone Delineation by Classifying Spatial Multivariate Data and Analyzing Maps of Crop Yield”. International Journal on Future Revolution in Computer Science &Amp; Communication Engineering, vol. 4, no. 9, Sept. 2018, pp. 59 -, http://www.ijfrcsce.org/index.php/ijfrcsce/article/view/1738.