Krivka, Algirdas. “The Elements of Competitive Environment of an Enterprise: A Case of Oligopolic Markets Comparative Analysis”. Mokslas – Lietuvos ateitis / Science – Future of Lithuania 2, no. 2 (April 30, 2010): 32-37. Accessed November 24, 2024. https://aviation.vgtu.lt/index.php/MLA/article/view/10091.