Ananda R, Harsyiah L, Alfian M. Classification Of Perceptions Of The Covid-19 Vaccine Using Multivariate Adaptive Regression Spline. Jurnal Varian [Internet]. 16May2023 [cited 22Dec.2024];6(2):137 -148. Available from: https://journal.universitasbumigora.ac.id/index.php/Varian/article/view/2639