http://dewey.info/scheme/a14/ en
302 Social interaction
302.4 Social interaction between groups
http://dewey.info/scheme/a14/ vi
302 Tương tác xã hội
302.4 Tương tác xã hội giữa các nhóm
http://dewey.info/scheme/a14/ it
302 Interazione sociale
302.4 Interazione sociale tra i gruppi
http://dewey.info/scheme/edition/e23/ en
302 Social interaction
302.4 Social interaction between groups
http://dewey.info/scheme/edition/e22/ de
302 Soziale Interaktion
302.4 Soziale Interaktion zwischen Gruppen
Dewey Decimal Classification
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