Author(s)/year of study	TQM practices
Hassan & Kerr, 2003	Top management, customer satisfaction, employee involvement, quality cost, service design.
Psychogios & Priporas, 2007	Total employee involvement, continuous improvement, continuous training, teamwork empowerment, top-management commitment and support, democratic management style, customer/citizen satisfaction, culture change
Singh et al., 2018	Organizational leadership, customer satisfaction, human resource focus, strategic planning and development, supplier quality management, satisfaction results, business results
Huq & Stolen, 1998	Mission statement, customer focus, management commitment, worker empowerment, communications, performance appraisal system, statistical evidence of quality, familiarity with TQM, measures of costs, causes of quality, continual improvement, problem solving approach, education and training, supplier development, quality improvement.
Kumar et al., 2011	Management commitment, customer satisfaction, continuous improvement, teamwork, employee’s empowerment, training, feedback, and effective communication
Pino, 2008	Management commitment, customer focus, supplier management, employee training, employee empowerment, employee involvement, information and analysis, product and service design.
Brah et al., 2000	Top management support, customer focus, employee involvement, employee training, employee empowerment, supplier quality management, process improvement, service design, quality improvement, benchmarking, cleanliness and organization.
Prajogo, 2005	Leadership, strategic planning, customer focus, information and analysis, people management, process management, and product quality
Samat et al., 2006	Management support and commitment, employee involvement, employee empowerment, information and communication, training and education, customer focus, continuous improvement.
Talib et al., 2011	Top management commitment, customer focus and satisfaction, continuous improvement and innovation, human resource management, training and education, employment involvement, benchmarking, quality culture, supplier management
Black & Porter, 1996	People and customer management, supplier partnerships, communication of improvement information, customer satisfaction orientation, external interface management, teamwork, operational quality planning, quality improvement measurement systems, corporate quality culture.
Sureshchandar et al., 2002	Top management commitment, human resource management, technical system, information and analysis system, benchmarking, continuous improvement, customer focus, employee satisfaction, union intervention, social responsibility, service culture.
Antony et al., 2002	Management commitment, role of the quality department, training and education, employee involvement, continuous improvement, supplier partnership, product/service design, quality policies, quality data and reporting, communication to improve quality, and customer satisfaction orientation.