The Application of Mixed Smoothing Spline and Fourier Series Model in Nonparametric Regression. - Ni Putu Ayu Mirah Mariati; I Nyoman Budiantara; Vita Ratnasari (Symmetry, 2021)

A Truncated Spline and Local Linear Mixed Estimator in Nonparametric Regression for Longitudinal Data and Its Application. - Idhia Sriliana; I Nyoman Budiantara; Vita Ratnasari (Symmetry, 2022)