Rajamanickam, Jayalakshmi, and Savitha Devi M. “Predictive Model Construction for Prediction of Soil Fertility Using Decision Tree Machine Learning Algorithm”. INFOCOMP Journal of Computer Science 20, no. 1 (June 4, 2021). Accessed October 20, 2021. https://infocomp.dcc.ufla.br/index.php/infocomp/article/view/1306.