Ningrum, Yasinta. “Pengaruh Harga Saham, Volume Perdagangan, Volatilitas Saham Terhadap Bid Ask Spread Pada Perusahaan Manufaktur Di BEI”. Insight Management Journal 3, no. 1 (September 30, 2022): 40-47. Accessed June 10, 2026. https://www.journals.insightpub.org/index.php/imj/article/view/205.