1. Xu J (2020) Research on the institutional logic of the vocational training sof Home affairs in my country. D. Shanghai University of Finance and Economics
2. Chen Y, Shou J (2019) Research on the game relationship of government purchasing vocational training services. J. J. Xiangtan Univ. (Philos. Soc. Sci. Ed.). 43(05):47–52
3. Wang C, Ding D (2019) Research on the quality of human resource supply in Beijing-Tianjin-Hebei Housekeeping Service from the perspective of supply chain management: theoretical framework and construction of evaluation index system. J. Dongyue Lun Cong 40(04):67–75
4. Yang S (2015) Involution tendency and cause analysis of government purchase of services. J. Theory and Reform. (03):127–129
5. Xie Q, Xu J (2017) Cost-benefit analysis of government purchasing public services. J. Comparison Econ. Soc. Syst. (04):97–106