Siswanto, Ely, and Adi Setiawan. “Aktivitas Volume Perdagangan Abnormal”. Jurnal Aplikasi Bisnis dan Manajemen (JABM) 5, no. 1 (April 24, 2019): 34. Accessed July 18, 2024. https://journal.ipb.ac.id/index.php/jabm/article/view/21268.