Economic Load Dispatch & Krill Herd Algorithm Effectiveness Flower Pollination Algorithm Bat Algorithm Graph Labeling Heat pipe ISSN Inclination angle Multi-Area Economic Dispatch NTU Particle Swarm Optimization Path Graph & Split Graph of a Graph G. Prime Labeling Prohibited Zones & Multi-Fuel Retrieval Number Thermal performance Transmission Loss hybrid nanofluid minimum depletion factor minimum displacement factor minimum transmission factor sinkhole