Pratama, R. A., T. Shafira, F. Ardiansyah, and R. F. Hakim. “Characteristics and Segmentation of Social Problems With Kohonen Self-Organizing Maps”. Bulletin of Social Informatics Theory and Application, vol. 1, no. 1, Mar. 2017, pp. 1-10, doi:10.31763/businta.v1i1.19.