Haryanto, Hery, and Lina Lina. “Effect of Stock Split on Abnormal Return, Trading Volume Activity, Stock Price, Bid-Ask Spread, and Systematic Risk of Companies”. Jurnal Manajemen dan Kewirausahaan 11, no. 2 (December 29, 2023): 184–194. Accessed June 25, 2026. https://jurnal.unmer.ac.id/index.php/jmdk/article/view/10968.