Perangin Angin, J. T. K., H. Herman, and J. Joni. “Complete Kernel Fisher Discriminant (CKFD) and Color Difference Histogram for Palm Disease”. Sinkron : Jurnal Dan Penelitian Teknik Informatika, vol. 8, no. 4, Nov. 2024, pp. 2568-74, doi:10.33395/sinkron.v8i4.14145.