Esen, M., and R. Şekerdil. “THE EFFECTS OF INTRAPRENEURSHIP ON SOCIAL INNOVATION: A RESEARCH IN İZMİR”. International Journal of Contemporary Economics and Administrative Sciences, vol. 7, no. 1-2, June 2017, pp. 13-30, http://www.ijceas.com/index.php/ijceas/article/view/163.