Purnami, S. W., Aida, F. N., Sutikno, S., Herowati, D., Sjafii, A., Wibisono, S. P. and Mayliawati, A. (2021) “SURVIVAL ANALYSIS TO DETERMINE AGE TO GIVE FIRST BIRTH IN WOMEN IN EAST JAVA USING EXTENDED COX REGRESSION”, Jurnal Biometrika dan Kependudukan, 10(2), pp. 144–152. doi: 10.20473/jbk.v10i2.2021.144-152.