Economic aspects Social aspects 16 Management 13 Economic conditions 11 Technological innovations 11 Environmental aspects 10 Tourism 10 Finance 9 Information technology 8 Prices 8 Agriculture 7 Education, Higher 7 Islam 7 Religious aspects 7 Small business 7 Attitudes 6 Education 6 Employment 6 Households 6 Knowledge management 6 Marketing 6 Consumer behavior 5 Econometric models 5 Food industry and trade 5 Globalization 5 Government policy 5 International business enterprises 5 Palm oil industry 5 Petroleum products 5 Research 5