Erdis, Ercan, Hilmi Coskun, and Mustafa Demirci. “Perceptions of Turkish Construction Firms about the Marketing Concepts”. Technological and Economic Development of Economy 21, no. 3 (May 26, 2015): 423-440. Accessed November 23, 2024. https://tede.vgtu.lt/index.php/TEDE/article/view/1108.