Çağlayan, E. ., N. . Şak, and K. . Karymshakov. “Relationship Between Tourism and Economic Growth: A Panel Granger Causality Approach”. Asian Economic and Financial Review, vol. 2, no. 5, Sept. 2012, pp. 591-02, https://archive.aessweb.com/index.php/5002/article/view/783.