Wimanda, R. E., Wibowo, W. A., & ham, I. (2018). NATURAL RATE OF INTEREST IN INDONESIA : KALMAN FILTER APPROACH. Jurnal BPPK: Badan Pendidikan Dan Pelatihan Keuangan, 6(1), 49–60. Retrieved from https://jurnalbppk.kemenkeu.go.id/jurnalbppk/article/view/75