Pehlivanoğlu, Ferhat, and Burcu Yavuz Tiftikçigil. 2013. “A Concentration Analysis in The Turkish Iron-Steel and Metal Industry”. International Journal of Economic Practices and Theories 3 (3):152-67. http://ijept.eu/index.php/ijept/article/view/A_Concentration_Analysis_in_The_Turkish_Iron-Steel_and_Metal_I.