GÂRDAN, A. D., I. P. GEANGU, I. ANDRIESEI, and E. GICĂ. “Role of Marketing in Improving Didactic Activity Quality in Higher Education”. Annals of Spiru Haret University. Economic Series, vol. 9, no. 1, Apr. 2016, pp. 167-74, https://anale.spiruharet.ro/economics/article/view/9116.