共 71 条
- [1] [Anonymous], 2007, The next 4 billion: Market size and business strategy at the base of the pyramid
- [2] [Anonymous], 2008, MCKINSEY BRIEFING NO
- [5] Bernard R, 2006, RES METHODS ANTHR QU, VFourth
- [8] Burgess RobertG., 1994, ANAL QUALITATIVE DAT