Siwi, C. P. and Nurfirdaus, Y. (2020) “K-MEANS CLUSTER ANALYSIS OF SUB-DISTRICTS IN SIDOARJO BASED ON LONG-TERM CONTRACEPTIVE METHOD”, Jurnal Biometrika dan Kependudukan, 9(2), pp. 161–170. doi: 10.20473/jbk.v9i2.2020.161-170.