Simbolon, R., Elviani, S., Yusrita, K, H.T. and Harahap, J.B. 2026. The effect of governor’s age on fraud in Indonesia: opportunity as a mediating variable. Heritage and Sustainable Development. 8, 1 (May 2026), 579–592. DOI:https://doi.org/10.37868/hsd.v8i1.1857.