KLUCZEK, Aldona. “An Analysis of the Accuracy of Selected Indicators for Sustainability Assessment of Energy Savings Performance Projects Supporting the Life Cycle Analysis”. Economic and Environmental Studies 18, no. 2 (46) (October 31, 2018): 665–687. Accessed November 2, 2024. https://czasopisma.uni.opole.pl/index.php/ees/article/view/96.