Stasytyte, Viktorija, and Anicetas Ignotas. “Efficiency of Energy Consumption As a Base for Sustainable Energy Sector”. Business: Theory and Practice 17, no. 2 (June 20, 2016): 128-137. Accessed April 25, 2024. https://journals.vilniustech.lt/index.php/BTP/article/view/8214.