Kluczkowski, Andrzej. “The Use of Wood Biomass in the Regional System of Renewable Energy Sources As a Chance for the Region”. Journal of Vasyl Stefanyk Precarpathian National University 4, no. 3-4 (December 30, 2017): 67–73. Accessed May 19, 2024. https://scijournals.pnu.edu.ua/index.php/jpnu/article/view/3433.