K. W. Chancasanampa Narvaez, J. B. Cueva Villaverde, E. Delzo Chihuan, and J. S. A. Arteaga Rojas, “Six Sigma Based Management Approach to Minimize Material Losses in Building Construction”, Civ Eng J, vol. 12, no. 2, pp. 714–730, Feb. 2026.