Muhammad, Muhammad Abdulaziz, Kamal Tasiu Abdullahi, Amine Chentouf, and Shehu Balarabe Mijinyawa. “Financing Green Futures: Renewable Energy Investment and Economic Growth in Germany”. Issues and Perspectives in Business and Social Sciences 6, no. 1 (December 12, 2025): 180–192. Accessed December 27, 2025. https://journals.mmupress.com/index.php/ipbss/article/view/1595.