Abdurohim, Abdurohim. “Analisa Transaksi Perdagangan Saham Pada Pasar Sekunder”. Portofolio: Jurnal Ekonomi, Bisnis, Manajemen, dan Akuntansi 18, no. 1 (January 29, 2022): 73 - 83. Accessed November 15, 2024. https://journal.unjani.ac.id/index.php/portofolio/article/view/210.