Tresna Dwipayana, Kadek, I Gusti Nyoman Yudi Hartawan, and I Made Candiasa. “Perbandingan Metode Fuzzy Times Series Cheng Dan Fuzzy Times Series Markov Chain Dalam Memprediksi Tingkat Pengangguran Terbuka Di Bali”. PYTHAGORAS Jurnal Matematika dan Pendidikan Matematika 17, no. 2 (December 14, 2022): 415–424. Accessed July 9, 2025. https://journal.uny.ac.id/index.php/pythagoras/article/view/52335.