TY - BOOK AU - Weylman,C.Richard TI - Opening closed doors: keys to reaching hard-to-reach people SN - 0786301546 AV - HF5415.127 .W49 1994 U1 - 658.8/02 20 PY - 1994/// CY - Burr Ridge, IL PB - Irwin Professional Pub. KW - Market segmentation KW - Selling N1 - Includes bibliographical references (p. 253) and index UR - http://www.loc.gov/catdir/enhancements/fy0739/93043011-b.html UR - http://www.archive.org/details/openingcloseddoo00weyl UR - http://www.openlibrary.org/books/OL1431537M ER -