Bahareh Jahan Bakhsh, and Giorgio Cantino. “European Hydrogen Valleys As Catalysts for Systemic Decarbonization: A Sustainability-Oriented Innovation and Multi-Level Perspective Analysis”. Green Technology & Innovation 1, no. 2 (October 3, 2025): 1–15. Accessed March 1, 2026. https://gtijournal.com/index.php/gti/article/view/983.