Matel, Anna, and Krzysztof Olszewski. “The Model of Tenure Choice in Life Cycle of Poles”. Kwartalnik Nauk o Przedsiębiorstwie 67, no. 1 (March 31, 2023): 73–96. Accessed July 22, 2024. https://econjournals.sgh.waw.pl/KNoP/article/view/3316.