• [11] Liu, Q., Cao, X., & Wang, C. (2021). Graduate Education of Christian Universities in Modern China: A Case Study of Nanking University. Religions, 12(12), 1095-1110..
• [12] Henderson, E. F., Cao. X. & Mansuy, J. (2018). In two places at once: the impact of caring responsibilities on academic's conference participation: final project report. Coventry: Centre for Education Studies, University of Warwick. Available at: http://wrap.warwick.ac.uk/103314/.
• [13] Cao, X. (2017). Enhancing the employability of Chinese international students: identifying achievements and gaps in the research field. Exchanges: The Interdisciplinary Research Journal, 5(1), 77-89..