ZURZAQ, Z.; SILVIANI; MUKHLIS, M. Prediksi Awal Ramadhan Menggunakan Metode Fuzzy Tsukamoto. ARITMATIKA: Jurnal Riset Pendidikan Matematika, [S. l.], v. 1, n. 2, p. 88–95, 2020. DOI: 10.35719/aritmatika.v1i2.4. Disponível em: https://aritmatika.uinkhas.ac.id/index.php/arm/article/view/4. Acesso em: 30 aug. 2025.