NINGRUM, Y. Pengaruh harga saham, volume perdagangan, volatilitas saham terhadap bid ask spread pada perusahaan Manufaktur di BEI. Insight Management Journal, [S. l.], v. 3, n. 1, p. 40-47, 2022. DOI: 10.47065/imj.v3i1.205. Disponível em: https://journals.insightpub.org/index.php/imj/article/view/205. Acesso em: 3 sep. 2026.