“Green Waqf As an Islamic Economic Instrument to Realize Ecological Piety: A Conceptual and Empirical Study : Green Waqf As an Islamic Economic Instrument to Realize Ecological Piety: A Conceptual and Empirical Study ”. Jurnal Bimas Islam, vol. 19, no. 1, July 2026, pp. 87-118, https://doi.org/10.37302/xkxpkb52.