Reference librarians Reference services (Libraries) 23 Effect of technological innovations on 12 Electronic reference services (Libraries) 12 Information technology 9 Reference services 5 Academic librarians 4 more ... Academic libraries 4 Librarians 4 Library personnel management 4 Management 4 Study and teaching 4 Forecasting 3 In-service training 3 Libraries and the Internet 3 Professional ethics 3 Attitudes 2 Communication in library administration 2 Evaluation 2 Information consultants 2 Internet in library reference services 2 Libraries and immigrants 2 Organizational change 2 Public libraries 2 Rating of 2 Training of 2 Books and reading 1 Employees 1 Information scientists 1 Information services industry 1 less ...