Tashan circular economy in depth research group conducted field research park.
2
论文通过相关案例研究以及作者对同类型商业街现场实地调研。
Based on the case study and the related with type field research business.
3
方法:采用实地调研的方法分析陕西省药品经营企业在GSP认证过程中存在的实际问题。
METHODS: Practical problems existed in the GSP authentication of drug supply enterprises in Shannxi province were analyzed by the on the spot research method.