Yudianto, Muh, Fahrudin, Tresna Maulana, AND Nugroho, Aryo. " A Feature-Driven Decision Support System for Heart Disease Prediction Based on Fisher's Discriminant Ratio and Backpropagation Algorithm" Lontar Komputer : Jurnal Ilmiah Teknologi Informasi [Online], Volume 11 Number 2 (13 July 2020)