Sinaga, Obsatar, Mohd Haizam Mohd Saudi, Djoko Roespinoedji, and Mohd Shahril Ahmad Razimi. 2019. “The Dynamic Nexus of Digital Evolution, Environmental Turbulence and Environmental Performance: A Case of High-Tech Industries in the Emerging 4th Industrial Revolution”. International Journal of Energy Economics and Policy 9 (6):386-93. https://econjournals.net.tr/index.php/ijeep/article/view/8363.