Kariyam, K., A. Abdurakhman, and A. . Ronnie Effendie. “The The Use of Distance Blocks Representative to Avoid Empty Groups Due to Non-Unique Medoids: -”. Eduvest - Journal of Universal Studies, vol. 2, no. 10, Oct. 2022, pp. 2218-2, doi:10.59188/eduvest.v2i10.625.