HURIATI KHAIRA; FITRI, F. .; AMALITA, N.; PERMANA, D. Forecasting Shallot Prices in West Sumatra Province Using the Fuzzy Time Series Method of the Singh Model and the Cheng Model. UNP Journal of Statistics and Data Science, [S. l.], v. 1, n. 1, p. 8–15, 2023. DOI: 10.24036/ujsds/vol1-iss1/7. Disponível em: https://ujsds.ppj.unp.ac.id/index.php/ujsds/article/view/7. Acesso em: 19 sep. 2024.