Timothy J Walker, Derek W Craig, Christopher D Pfledderer, Michael C Robertson, Paula Cuccaro, Keisey Fumero, John B Bartholomew
Observed and perceived benefits of providing physical activity opportunities in elementary schools: a qualitative study
Frontiers in sports and active living
due high pollution transportation sector nowadays role electric vehicles noticed governments organizations environmentally friendly people hand problem electric vehicle routing evrp widely studied recent years paper deals extended version evrp electric vehicles evs deliver goods customers limited battery capacity evs causes operational domains less gasoline vehicles purpose several charging stations considered study evs addition depending operational domain full charge may needed reduces operation time therefore partial recharging also taken account present research problem formulated multiobjective integer linear programming model whose objective functions include economic environmental social aspects preemptive fuzzy goal programming method pfgp exploited exact method solve smallsized problems also two hybrid metaheuristic algorithms inspired nature including mosa mogwo mopso nsgaiitlbo utilized solve largesized problems results obtained solving numerous test problems demonstrate hybrid metaheuristic algorithm provide efficient solutions terms quality nondominated solutions test problems addition performance algorithms compared terms four indexes time mid mocv hv moreover statistical analysis performed investigate whether significant difference performance algorithms results indicate mosa algorithm performs better terms time index hand nsgaiitlbo algorithm outperforms terms mid mocv hv indexes