Shaikh A. G., Sayyad M. A., Zinjurke A. L., Shelar A. S., Prof.Shaikh K. S. DEVELOPMENT OF ECONOMICAL CONCRETE MIXES USING WFS AS FINE AGGREGATE. Int. j. innov. eng. res. technol. 2026;13(6):1-8. doi:10.26662/ijiert.v13i6.pp1-8