Hariadi, Wigid. “Analisis Intervesi Fungsi Step Efek Program Tol-Laut Terhadap Pergerakan Harga Saham TMAS.JK”. UJMC (Unisda Journal of Mathematics and Computer Science) 5, no. 01 (June 13, 2019): 47 - 54. Accessed May 7, 2024. http://e-jurnal.unisda.ac.id/index.php/ujmc/article/view/1484.