Turan, Mohammad Nawab, Irshad Ahmed Hashimzai, and Mohammad Qaseem Qiam. 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.