HAMNA, S.; SARI, D. P. IHSG Closing Price Prediction on the Indonesian Stock Exchange using the Geometric Brownian Motion Model. UNP Journal of Statistics and Data Science, [S. l.], v. 4, n. 2, p. 216–224, 2026. DOI: 10.24036/ujsds/vol4-iss2/486. Disponível em: https://ujsds.ppj.unp.ac.id/index.php/ujsds/article/view/486. Acesso em: 14 jun. 2026.