Agung, A., Zaqiyah, A., Rozikin, M., Wafa, M.S. and Nuha, A.R. 2024. Implementation of A Contemporary Model Between Trading Volume, Bid-Ask Spreads, And Stock Return Volatility (Case Study : The Business-27 Index). JURNAL SINTAK. 2, 2 (Mar. 2024), 60–65. DOI:https://doi.org/10.62375/jsintak.v2i2.223.