Fatima, H. ., C. . Wafa, S. . Achour, O. . Rimi, and A. . Tir. “Germany’s Green Hydrogen Transition: Ambitions, Realities and Economic Barriers”. Journal of Ecohumanism, vol. 4, no. 4, Dec. 2025, pp. 2836–2845, doi:10.62754/joe.v4i4.7062.