Box Uncertainty Optimisasi Robust Optimization branch and bound method 90C22 90C25 Bi-objective Emergency Medical Service Design Problem Branch and Bound Method Demand Uncertainty Ellipsoidal Uncertainty Ketidaktentuan Estimasi Durasi Operasi Land use Large-scale Social Distancing Lexicographic Method Local Food Hub Metode Branch and Bound Mixed Integer Programming Operations Research Partial Social Distancing Robust Counterpart Robust Optimization Supply chain Traveling Salesman Problem Traveling salesman problem agricultural processed product box uncertainty conic conic optimization conic quadratic multiobjective optimization primal-dual robust counterpart robust optimization semidef- inite spatial data uncertainty