00407nam a2200133Ia 4500 20251229124839.0 251229s9999 xx 000 0 und d SPEC H 62 .S59 Perri 6. Principles of methodology research design in social science. Perri 6 Perri Los Angeles Sage 2012 Social Sciences-- Research-- Methodology BK 441266 441266 0 0 0 0 EGERTONLIB EU GEN 2025-12-29 0 SPEC H 62 S59 031926 2025-12-29 12:48:39 2025-12-29 BK