RT Book T1 Social research: [guides to a decision-making process] A1 Philliber, Susan G. A2 Schwab, Mary R. A2 Sloss, G. S. LA English PP Itasca, Ill. PB Peacock YR 1980 UL https://krimdok.uni-tuebingen.de/Record/1092059695 SN 087581252X