00441nam a2200145Ia 4500020001800000082001700018100002200035245005600057260003600113300001000149650003100159650002700190650004400217650003400261  a0-8039-2339-2  a300.72 STE-S  aStewart, David W; 0aSecondary research: information sources and methods  aLondonbSage Publicationsc1984  a135p.  aSocial sciences - Research  aSources of information  aLibrary science - Information resources  aSocial sciences - Methodology