Computer networks -- Management Wireless communication systems -- Management Cellular telephone systems -- Management Customer services

Business Interpersonal relations Customer service

Customer services Consumer complaints

Customer services -- Handbooks, manuals, etc.

Service industries -- Asia -- Marketing Customer services -- Asia -- Marketing

Customer services -- Management Sales personnel -- Training of

Customer relations -- Management Customer services Relationship marketing

Customer relations -- Management Customer services Relationship marketing

Customer services Internet marketing Marketing Electronic commerce

Hospitality industry -- Customer services

Customer services