Yao, Xuan, Zeshui Xu, Xinxin Wang, Lina Wang, and Marinko Škare. “Energy Efficiency and COVID-19: A Systematic Literature Review and Bibliometric Analysis on Economic Effects”. Technological and Economic Development of Economy 30, no. 1 (February 26, 2024): 287–311. Accessed November 28, 2024. https://mma.vgtu.lt/index.php/TEDE/article/view/18726.