ADITYA PUTRA PRATAMA; TAMA, Yanuar Bhakti Wira. Prediksi Harga Komoditas Gas Alam Menggunakan Model Brownian Motion dan Geometric Brownian Motion: Indonesia. Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika, [S. l.], v. 6, n. 2, p. 73–81, 2023. DOI: 10.30605/proximal.v6i2.2655. Disponível em: https://www.e-journal.my.id/proximal/article/view/2655. Acesso em: 7 jul. 2025.