TY - BOOK T1 - Social science research on business product and potential A1 - Dahl, Robert Alan 1915- A2 - Haire, Mason A2 - Lazarsfeld, Paul F. LA - English PP - New York PB - Columbia University Press YR - 1959 UL - https://ds.mainlib.upd.edu.ph/Record/UP-99796217606983061 OP - 185 CN - H 62 D17 KW - Economics : Research. KW - Industrial management : Research. ER -