Customer services (1) Employment (1) Job satisfaction (1) Communication (1) Minors (1) Notions (Philosophy) (1) White collar workers (1) Solids (1) Scientists (1) Science (1) Public libraries (1) Public administration (1) Possibility (1) Pleasure (1) Neurasthenia (1) Library science (1) Human comfort (1) Mental fatigue (1) Emotions (1) Electronics (1) Concepts (1) Burn out (Psychology) (1) Administrative agencies (1) Research (1) Libraries (1) Influence (1) Societies, etc (1) Societies and clubs (1) Occupations (1) Performance (1)