Yusuf, Muhammad, Zakir Sabara, and Ismail Suardi Wekke. “Role of Innovation in Testing Environment Kuznets Curve: A Case of Indonesian Economy”. International Journal of Energy Economics and Policy 9, no. 1 (December 7, 2018): 276–281. Accessed November 21, 2024. https://econjournals.com/index.php/ijeep/article/view/7230.