1. The water-energy-food nexus 2. Water-energy-food nexus security 3. Decision making and optimization models of the water-energy-food system 4. A Systematic Approach for Assessing the Water-Energy-Food Nexus for Sustainable Development 5. Involving the Water-Energy-Food Nexus in Integrating Low-Income Communities 6. Stochastic Optimization of the Water-Energy-Food Nexus in Disadvantaged Rural Communities 7. Sustainable Assessment of Water-Energy-Food Nexus Through a Multi-Stakeholder Optimization Approach 8. A water-energy-food security nexus framework based on optimal resource allocation