Å vajlenka, Jozef, and Mária Kozlovská. “Methodology of Efficiency Assessment in the Context of Building Sustainability”. International Journal of Engineering and Technology 7, no. 2.23 (April 20, 2018): 332–334. Accessed May 13, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/15326.