Azwarini R, Fathan MA, Widiantoro T. Grouping of Regencies/Cities in Indonesia Based on National Health Insurance (JKN) Participants with the Ensemble ROCK Approach. JIMT [Internet]. 2024Dec.16 [cited 2025Feb.5];21(2):144 -160. Available from: https://bestjournal.untad.ac.id/index.php/JIMT/article/view/17512