Columbia subject headings:
Harvard subject headings:
Adult education--Technological innovations--Congresses.
Adult learning--Congresses.
Adult learning--OECD countries--Congresses.
Organisation for Economic Co-operation and Development
Technological innovations--OECD countries--Congresses.
Princeton subject headings:
Adult education--Technological innovations--Congresses.
Adult learning--Congresses.
Organisation for Economic Co-operation and Development.