Chancasanampa Narvaez, K. W., Cueva Villaverde, J. B., Delzo Chihuan , E., & Arteaga Rojas, J. S. A. (2026). Six Sigma Based Management Approach to Minimize Material Losses in Building Construction. Civil Engineering Journal, 12(2), 714–730. https://doi.org/10.28991/CEJ-2026-012-02-017