Kembaren RCGI, Sitompul OS, Sawaluddin S. Analysis Clustering Using Normalized Cross Correlation In Fuzzy C-Means Clustering Algorithm. SinkrOn [Internet]. 2022Oct.3 [cited 2024Jul.16];6(4):2262-71. Available from: https://jurnal.polgan.ac.id/index.php/sinkron/article/view/11666