IMPLEMENTASI ALGORITMA K-MEANS CLUSTERING TINGKAT KEPENTINGAN TAGIHAN RUMAH SAKIT DI PT PERTAMINA (PERSERO). oai [Internet]. 2020 Mar. 18 [cited 2026 Oct. 10];8(01):44-52. Available from: https://ejournal.upbatam.ac.id/index.php/jif/article/view/1844