Musthafa, Muhammad Fadli, and Soritaon Soritaon. “Efek Minggu Keempat Terhadap Return Saham”. Almana : Jurnal Manajemen dan Bisnis 3, no. 3 (December 17, 2019): 488–494. Accessed February 11, 2026. https://journalfeb.unla.ac.id/index.php/almana/article/view/1244.