Quality assurance 38 Quality control 21 Standards 9 Management 7 Total quality management 7 ISO 9000 Series Standards 5 Manufactures 3 Statistical methods 3 Chemical laboratories 2 Civil service 2 Education, Higher 2 ISO 9000 Series Standard 2 ISO 9000 series standard 2 ISO 9000 series standards 2 Information technology 2 Process control 2 Quality control (Management) 2 Quality of products 2 Universities and colleges 2 Atomic warfare 1 Auditing 1 Ballistic missile defences 1 Calibration 1 Chemistry, Analytic 1 Chemistry, Analytica- Qualitativex 1 Civil service reform 1 Computer security 1 Computer software 1 Conflict management 1 Congresses 1