The Common Aggregation Hierarchy (CAH) provides a standardised hierarchical aggregation (grouping) of subject codes and terms suitable for the majority of uses.
CAH codes are from the Higher Education Statistics Agency (HESA).
The Common Aggregation Hierarchy (CAH) provides a standardised hierarchical aggregation (grouping) of subject codes and terms suitable for the majority of uses.
CAH codes are from the Higher Education Statistics Agency (HESA).