Nguyen, Tuyen Ngoc, and Winai Wongsurawat. 2017. “Multivariate Cointegration and Causality Between Electricity Consumption, Economic Growth, Foreign Direct Investment and Exports: Recent Evidence from Vietnam”. International Journal of Energy Economics and Policy 7 (3):287-93. https://econjournals.net.tr/index.php/ijeep/article/view/4896.