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 [Internet]. 24. November 2025 [zitiert 28. Oktober 2026];8(12):457-64. Verfügbar unter: https://www.ijssrr.com/journal/article/view/3197