TP Chemical technology 42 Food industry and trade. Halal food industry. Certification 24 RA0421 Public health. Hygiene. Preventive Medicine 24 Hospitality industry. Hotels, clubs, restaurants, etc. Food service 20 Malaysia 18 TP368-456 Food processing and manufacture 16 Consumer behavior. Consumers' preferences. Consumer research. Including consumer profiling 13 TK Electrical engineering. Electronics Nuclear engineering 12 TX341-641 Nutrition. Foods and food supply 12 Consumer satisfaction 11 TA Engineering (General). Civil engineering (General) 11 Marketing 10 Nutrition. Foods and food supply 10 T Technology (General) 8 H Social Sciences (General) 7 HD Industries. Land use. Labor 7 HD28 Management. Industrial Management 7 QD Chemistry 7 Research 7 Sustainability 7 TJ Mechanical engineering and machinery 7 Food service 6 Purchasing. Selling. Sales personnel. Sales executives 6 Q Science (General) 6 QA75 Electronic computers. Computer science 6 Travel and the state. Tourism 6 BP Islam. Bahaism. Theosophy, etc 5 Cooking 5 Hospitality 5 New Zealand 5