Hospitality industry. Hotels, clubs, restaurants, etc. Food service 42 TP Chemical technology 25 Malaysia 20 Food industry and trade. Halal food industry. Certification 16 Food service 15 Nutrition. Foods and food supply 15 QD Chemistry 15 Consumer behavior. Consumers' preferences. Consumer research. Including consumer profiling 12 Consumer satisfaction 12 RA0421 Public health. Hygiene. Preventive Medicine 12 Food 9 TK Electrical engineering. Electronics Nuclear engineering 9 Customer services. Customer relations 8 Marketing 8 TA Engineering (General). Civil engineering (General) 8 TP368-456 Food processing and manufacture 8 BP Islam. Bahaism. Theosophy, etc 7 New Zealand 7 Q Science (General) 7 Gastronomy 6 HD Industries. Land use. Labor 6 Halal food 6 Nutrition 6 R Medicine (General) 6 Research 6 Travel and state. Tourism 6 Examination and analysis. Composition. Adulteration 5 H Social Sciences (General) 5 Purchasing. Selling. Sales personnel. Sales executives 5 Quantitative research 5