TY - BOOK AU - Yin, Robert K. AU - ED - ED - ED - ED - TI - : design and methods SN - 0803956630 (paperback) SN - 2 PY - 1994///.;copyright 1994.46 CY - Thousand Oaks, California PB - Sage Publications KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Research;Methodology KW - Case method.;Social sciences N1 - Includes bibliographical references and indexes; 5; Professional ER -