Leather waste into functional materials: composite nanoarchitectonics, energy systems, and environmental applications - A. L. T. Zheng; K. S. Rajoo; C. M. Manivel; E. Y. L. Teo; O. F. Marzuki; S. Boonyuen; E. L. T. Chung; Y. Andou (International Journal of Energy and Water Resources, 2026)