Underdeveloped areas Developing countries 6 Economic development 5 Economics 3 Periodicals 3 Rural development 3 Rural poor 3 International business enterprises 2 Agricultural innovations 1 Cultural diffusion 1 Economic Assistance 1 Economic development-Social aspects 1 Equality 1 Geography 1 Marxism economics 1 Military policy 1 Planning 1 Plantations 1 Population 1 Rice 1 Social aspects 1 Urbanisation 1 Wheat 1 cost effectiveness 1 economic aspects 1 investment patterns 1