Zukrianto, Sherina Arthariani, Widyanti Rahayu, and Dania Siregar. “Peramalan Indeks Saham LQ45 Pada Masa Pandemi COVID-19 Menggunakan Analisis Intervensi”. Jurnal Statistika dan Aplikasinya 5, no. 2 (December 31, 2021): 251- 259. Accessed May 2, 2025. http://103.8.12.212:33180/unj/index.php/statistika/article/view/23827.