Sumiyati S. The Influence of Internal and External Factors on Stock Returns in the Transportation Sub-Sector Listed on the Indonesia Stock Exchange in 2021–2023. IIJSE [Internet]. 8Nov.2025 [cited 1Sep.2026];8(3):13127-33. Available from: https://e-journal.uac.ac.id/index.php/iijse/article/view/8098