N Related subject areas > N.06 Social sciences > N.06.01 Theories and approaches in the social sciences > Action research

W Economic sectors > W.20 R&D sector > Social research > Action research

N Related subject areas > N.06 Social sciences > N.06.01 Theories and approaches in the social sciences > Social research > Action research

... > N Related subject areas > N.06 Social sciences > N.06.01 Theories and approaches in the social sciences > Social sciences > Social research > Action research

N Related subject areas > N.09 Mathematical and statistical methods > N.09.02 Statistics > N.09.02.02 Statistical data collection > Action research