00360nam a2200121Ia 4500003000400000008004100004020001400045040000800059100002200067245010000089260003900189300001000228LDD181029s9999    xx            000 0 und d  a803922566  cLDD  aBerry, William D. 0aNew tools for social scientistbadvances and applications in research methodscWilliam D. Berry  aNew DelhibSage Publicationsc1986  a288p.