Terefe, Y., & Gebre, A. . (2026). Experimental Study on the Efficiency of Passive Auto-tuning Compound Pendulum Mass Damper . Zede: Journal of Ethiopian Engineers and Architects የኢትዮጵያ መሐንዲሶችና አርክቴክቶች መጽሔት, 43, 37–48. https://doi.org/10.63990/zede.v43i.12970