q=A+study+on+production+and+consumption+of+educational+service+product&searchType=standard&isFacet=true&view=standard&rows=10&sortWay=score&sortOrder=desc&curlibcode=DDFG&searchWay0=marc&logical0=AND
rows=10&curlibcode=DDFG&searchWay0=marc&logical0=AND
A study on production and consumption of educational service product