Andika, Feky, Nurviana, and Riezky Purnama Sari. 2022. “PERAMALAN MENGGUNAKAN FUZZY TIME SERIES CHEN: Studi Kasus Curah Hujan Kota Langsa”. Amalgamasi: Journal of Mathematics and Applications 1 (2):79-86. https://doi.org/10.55098/amalgamasi.v1.i2.pp79-86.