Alqorni, F., W. F. Mahmudy, and A. W. Widodo. “Application of Density Based Spatial Clustering Application With Noise (DBSCAN) in Determining the Quality of Keprok Orange and Siam Orange Hybrid in the Research Center of Orange and Subtropic Plants Batu City”. Journal of Information Technology and Computer Science, vol. 6, no. 1, Apr. 2021, pp. 1-8, doi:10.25126/jitecs.202161244.