Ginevičius, Romualdas, and Vladislavas Petraškevičius. “Some Problems of Determining Diversification Level of Enterprise Activities”. Business: Theory and Practice 9, no. 3 (September 19, 2008): 215-220. Accessed November 30, 2024. https://transport.vgtu.lt/index.php/BTP/article/view/9136.