ACHMADIN, W. N.; RETNOWARDANI, D. A.; MASHITASARI, D.; FATIMAH, F. Forecasting Coffee Exports to the United States Using the Holt-Winters Exponential Method. EIGEN MATHEMATICS JOURNAL, [S. l.], v. 7, n. 1, p. 44–49, 2024. DOI: 10.29303/emj.v7i1.202. Disponível em: https://eigen.unram.ac.id/index.php/eigen/article/view/202. Acesso em: 26 apr. 2025.