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 and Technology 7, no. 4.30 (November 30, 2018): 281–284. Accessed August 17, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/22284.