“Peramalan Total Nilai Ekspor Indonesia Menggunakan Metode Singular Spectrum Analisis”. UNP Journal of Statistics and Data Science 3, no. 2 (Mei 31, 2025): 240–248. Diakses Oktober 2, 2026. https://ujsds.ppj.unp.ac.id/index.php/ujsds/article/view/370.