Zafar, Sohaib Sharif, Muhammad Fiaz, Amir Ikram, Kanwal Iqbal Khan, and Umaima Mehmood Qamar. 2021. “Barriers Involve in the Energy Efficiency in the Manufacturing Industries of Pakistan”. International Journal of Energy Economics and Policy 11 (2):293-99. https://econjournals.org.tr/index.php/ijeep/article/view/7599.