Ikhwana, N., A. Syalsabila, and N. B. Mangiri. “Trend, Cyclical, and Forecasting Analysis of Indonesia’s Monthly Inflation Using the Hodrick–Prescott Filter and ARIMA”. VARIANSI: Journal of Statistics and Its Application on Teaching and Research, Vol. 8, no. 1, Apr. 2026, pp. 127-36, https://jurnalvariansi.unm.ac.id/index.php/variansi/article/view/526.