Kazemilari M, Mohamadi A, Mardani A, Streimikis J. Network topology of renewable energy companies: minimal spanning tree and sub-dominant ultrametric for the American stock. TEDE [Internet]. 2019Feb.7 [cited 2024Nov.23];25(2):168-87. Available from: https://jau.vgtu.lt/index.php/TEDE/article/view/7686