“The Influence of Sustainable Investment Strategy (SIBE) on Portfolio Performance with Investment Risk as a Mediating Variable: Evidence from SRI-KEHATI Stocks on the Indonesia Stock Exchange (2020–2025)”, IJSSRR, vol. 8, no. 12, pp. 457–464, Nov. 2025, doi: 10.47814/ijssrr.v8i12.3197.