Romadhon S, Septiyanti R. Analisis Perbedaan Abnormal Return Saham dan Volume Perdagangan Saham Sebelum dan Sesudah Stock Split . ecotal [Internet]. 2025 Apr. 17 [cited 2026 Mar. 27];5(2):432-43. Available from: https://ojs.stieamkop.ac.id/index.php/ecotal/article/view/1547