“Kernel Nonparametric Regression Modeling With the Nadaraya-Watson Estimator (Case Study: Fertility in the Southern Sumatra Region)”. J Statistika: Jurnal Ilmiah Teori Dan Aplikasi Statistika, vol. 16, no. 2, Dec. 2023, pp. 556-64, https://doi.org/10.36456/jstat.vol16.no2.a8248.