Fitri F, Ketrin MW, Almuhayar M. MODELING TOTAL FERTILITY RATE IN INDONESIA: A COMPARISON OF FOURIER SERIES REGRESSION AND ELASTIC NET REGRESSION. BAREKENG: J. Math. & App. [Internet]. 1Jul.2025 [cited 4Jul.2025];19(3):2017-28. Available from: https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/17192