Record details
Subjects: *CONFERENCES & conventions; *TRADE shows; *BIOPHOTOMETRYAVON (England); ENGLAND
Subjects: *TRADE shows; *DIRECT marketing; *DIRECT sellingLONDON (England); ENGLAND
Subjects: *SEMINARS; *CONFERENCES & conventions; *DIRECT marketingLONDON (England); ENGLANDDIRECT Marketing Association (U.S.)