Home / Standards / GB/T 40552-2021 GB/T 40552-2021 Active Guidance for assessment of outcomes of learning services 教育服务效果测评指南 Standard Type GBT ICS 03.180 CCS A18 Status 现行 Issue Date 2021-08-20 Implementation 2022-03-01 Responsible Dept 国家标准委 Drafting Unit N/A