Muhammad Alif Yustin, Zilrahmi, Atus Amadi Putra, Fadhilah Fitri. Comparison Fuzzy Time Series Cheng and Ruey Chyn Tsaur Model for Forecasting Sales at Empat Saudara Store. ujsds [Internet]. 2023 May 31 [cited 2025 Jan. 29];1(3):218-25. Available from: https://ujsds.ppj.unp.ac.id/index.php/ujsds/article/view/56