N Related subject areas > N.08 Culture and humanities > N.08.01 Education and learning > Early childhood education

N Related subject areas > N.08 Culture and humanities > N.08.01 Education and learning > Education > Early childhood education

V Economics > V.14 Social economics, education and health economics > V.14.02 Economics of education > Education > Early childhood education

W Economic sectors > W.24 Educational System > Education > Early childhood education