Regency grouping in East Java based on Variable Type of Agriculture uses Hybrid Hierarchical Clustering Via Mutual Cluster Method. InPrime:Ind.Jour.Pure.Applied.Math [Internet]. 2020 Mar. 31 [cited 2025 Nov. 19];2(1):51-8. Available from: https://journal.uinjkt.ac.id/inprime/article/view/14167