Quality control -- Standards 12 Quality assurance -- 5 Statistical methods 5 ISO 9000 Series Standards 4 ISO 9000 series standards 4 Six sigma (Quality control standard) 3 more ... Civil service -- 2 Islam 2 Iso 9000 series standards -- 2 Management -- 2 Production management -- 2 Quality assurance 2 Standards -- 2 evaluation 2 standards 2 Auditing 1 Building -- 1 Building permits -- 1 C 1 Consumer satisfaction -- 1 Customer loyalty -- 1 Customer services -- 1 Economic aspects 1 Experimental design 1 Hand book, manual, etc 1 ISO 900 series standards 1 ISO 9000 Standards 1 ISO 9001 Standard 1 Industrial management 1 less ...