TY - BOOK T1 - Survey methods in social investigation A1 - Moser, Claus Adolf A2 - Kalton, Graham LA - English PP - London PB - Heinemann Educational YR - 1971 ED - 2nd ed. UL - http://www.ds.mainlib.upd.edu.ph/Record/UP-1685675941123695696 OP - 549 CN - HN 29 M67 1971 SN - 0435826034 SN - 0435826042 (pbk.) KW - Social surveys. ER -