“Kernel Nonparametric Regression Modeling With the Nadaraya-Watson Estimator (Case Study: Fertility in the Southern Sumatra Region)”. 2023. J Statistika: Jurnal Ilmiah Teori Dan Aplikasi Statistika 16 (2): 556-64. https://doi.org/10.36456/jstat.vol16.no2.a8248.