Santika RA, Aviolla Terza Damaliana, Mohammad Idhom. Forecasting USD to Rupiah Exchange Rate with the Fuzzy Time Series Singh Approach. JISTR [Internet]. 2025 Sep. 30 [cited 2025 Oct. 4];4(3):124-3. Available from: https://journal.aira.or.id/index.php/jistr/article/view/1238