Turan, M. N. ., Hashimzai, I. A. ., & Qiam, M. Q. . (2025). A Blockchain-Based Framework for Secure and Transparent Environmental Data Sharing in Smart Cities: Enhancing Trust, Integrity, and Interoperability in Urban Sustainability Systems. Nata Palemahan: Journal of Environmental Engineering Innovations, 2(2), 70-79. https://doi.org/10.38043/natapalemahan.v2i2.6996