Anisah, A., Zahrah, M., & Aini, Q. (2019). PERAMALAN PENJUALAN HANDPHONE SAMSUNG DAN OPPO MENGGUNAKAN METODE FUZZY TIME SERIES CHENG. MathVision : Jurnal Matematika, 1(02), 83–85. Retrieved from http://journal.unirow.ac.id/index.php/mv/article/view/100