00000nam 2200000 4500 INLIS000000000001558 20180724142459 180724||||||||| | ||| |||| || | 0534007805 010-0718001558 id 361.610 72 361.610 72 Fin s Finsterbusch, Kurt Motz Annabelle Bender Social research for policy decisions. Belmont Wadsworth 1980 vii, 187 hlm.:ilus.; 24 cm. Problem sosial-Penelitian