S. Muthukumaran, P.Geetha, E.Ramaraj. 2021. “A Rule Based Recommender System to Improve the Yield of Groundnut Crop Using Decision Tree With Backward Elimination, Principal Component Analysis”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12 (14):4578-88. https://doi.org/10.17762/turcomat.v12i14.11374.