RISWANDI; FIRA; FIRMAYASARI S, Dian; SURIANI M. Penerapan Model Rantai Markov untuk Memprediksi Probabilitas Return Saham Indosat (ISAT). Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika, [S. l.], v. 9, n. 1, p. 96–103, 2026. DOI: 10.30605/proximal.v9i1.7961. Disponível em: https://e-journal.my.id/proximal/article/view/7961. Acesso em: 9 feb. 2026.