Ramli, Nazirah, Siti Musleha Ab Mutalib, and Daud Mohamad. “Fuzzy Time Series Forecasting Model Based on Frequency Density and Similarity Measure Approach”. International Journal of Engineering & Technology 7, no. 4.30 (November 30, 2018): 281–284. Accessed May 2, 2024. https://sciencepubco.com/index.php/ijet/article/view/22284.