Z Bibliography. Library Science. Information Resources 93 Renewable energy resources 86 human 76 China 60 Human resource management 59 Sustainable development 57 Humans 52 Resource allocation 50 article 45 resource allocation 45 Climate change 42 Economics 39 Personnel & human resources management 36 Decision making 34 Groundwater resources 32 Water resources 32 climate change 31 sustainability 31 Renewable energies 30 male 30 adult 29 Article 28 Electronic information resources 28 Environmental management 28 Aquifers 27 Ecosystems 27 Energy utilization 27 Energy 26 Malaysia 26 United States 26