Customs administration Job satisfaction 4 Officials and employees 4 Case studies 3 Islam 2 Professional ethics 2 Religious aspects 2 Tariff 2 Attitudes 1 Civil service ethics 1 Employee motivation 1 Employment 1 Manpower planning 1 Measurement 1 Misconduct in office 1 Officials and Employees 1 Personality and occupation 1 Personality tests 1 Quality of work life 1 Sales tax 1 Service industries 1 Taxation 1 Women 1