Yiswi, T. A. and Saraswati, B. D. (2026) “Testing the Environmental Kuznets Curve Hypothesis Using the Environmental Performance Index: Evidence from Ten Largest High-Income OECD Economies (2006–2022)”, Gorontalo Development Review, 9(2), pp. 131–145. doi: 10.32662/golder.v9i2.5242.