TY - BOOK AU - Kobs, Jim TI - Profitable direct marketing: how to start, improve or expand any direct marketing operation ... plus 11 detailet case studles of prominent direct marketing companies SN - 0844230375 U1 - 658.84 PY - 1988/// CY - U. S. A. PB - NTC Business Books KW - United States KW - Direct marketing ER -