00525nam a2200193Ia 4500008004100000041001200041082001100053082001100064100001700075100001100092245009100103260001200194260003800206260000900244300001500253650002200268650002800290650001300318150909s9999    xx            000 0 und d  aEnglish  a300.18  bKEA/FI  aKearl Bryant  eEditor  aField data collection in the social Science : experiences inAfrica and the Middle East  aNewYork  bAgricultural  Development Council  c1976  a200  Pages  aBaselilne surveys  aInterviewing techniques  aSampling