“A A Comparative Study of ISAT Stock Price and Transaction Volume Based on Merger Announcement: A Comparative Study of ISAT Stock Price and Transaction Volume Based on Merger Announcement”. Fraction: Jurnal Teori dan Terapan Matematika 2, no. 2 (December 2, 2022): 53–59. Accessed April 17, 2026. https://fraction.ubb.ac.id/index.php/fraction/article/view/32.