Ubartė, Ieva, Justas Čerkauskas, Aidas Turūta, and Andrej Naumcik. “Models and Systems Analysis of Built Environment Life Cycle”. Mokslas – Lietuvos ateitis / Science – Future of Lithuania 7, no. 5 (February 2, 2016): 520-527. Accessed September 18, 2021. https://journals.vgtu.lt/index.php/MLA/article/view/2752.