Alkusani A, Handayani A, Rahmadani YF. Linkage Stock Price, Trading Volume Activity, Stock Returns and Trading Frequency on Bid Ask Spread. INNOVATION [Internet]. 2020 Feb. 7 [cited 2025 May 31];1(1):28-33. Available from: https://journal.umg.ac.id/index.php/innovation/article/view/1189