Firdaus, Moh., Amalina Maryam Zakiyyah, and Ulya Anisatur R. “PREDIKSI NILAI PENUTUPAN FOREX MENGGUNAKAN METODE FUZZY TIME SERIES CHENG”. Jurnal Inovasi Penelitian 3, no. 5 (September 28, 2022): 6023-6030. Accessed May 3, 2024. https://stp-mataram.e-journal.id/JIP/article/view/2039.