Author(s): |
Meifang Liu, School of Economics and Management, Beihang University, Beijing, P.R.China, 100191 Wanhua Qiu, School of Economics and Management, Beihang University, Beijing, P.R.China, 100191 Wenjing Yuan, School of Humanities and Social Sciences, Beihang University, Beijing, P.R.China, 100191 |