Methods Quantitative spot investigation and random sampling and qualitative FGDs were adopted for village leaders.

  • 方法调查人员采用现场观察和随机抽样问卷调查的定量方法进行;对村骨干人群采用专题小组讨论的定性研究方法;

  • 互联网摘选 2025-01-20 17:20:03

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