共 35 条
- [32] Verschuren P.J. M., 2003, INT J SOC RES METHOD, V6, P121, DOI [DOI 10.1080/13645570110106154, 10.1080/13645570110106154]
- [34] Widdershoven G. A. M., 2012, HERMENEUTICS HUMANIT, P298
- [35] Yin R.K., 2014, Applications of case study research, V2nd