Gezici, Armağan, Özgür Orhangazi, and Cihan Yalçın. “R&D Activity and Financing Constraints: Evidence From Turkey”. Panoeconomicus 67, no. 4 (May 14, 2018): 557–571. Accessed April 24, 2024. http://www.panoeconomicus.org/index.php/jorunal/article/view/498.