Saskia, D. and Firdaus, I. 2026. The Effect of Liquidity and Capital Structure on Firm Value in Basic Materials Sector Companies Listed on the Indonesia Stock Exchange, with Profitability as a Mediating Variable . International Journal of Sustainable Applied Sciences. 4, 7 (Jul. 2026), 557–570. DOI:https://doi.org/10.59890/ijsas.v4i7.9.