Konsumtions- och köpplanering i hushåll 1976-1977 - Enkätundersökningen
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The study was designed with a two-stage research approach. The first stage included a large sample, mail survey with about 1 200 households participating. The second stage...
本研究采用两阶段研究方法进行设计。第一阶段为大样本邮寄调查，共有约1200户家庭参与。第二阶段……
