/ dynamic systems modelling / graphical solution method / Human Geography / Information technology# general issues / Information technology# general topics / integer optimisation / Integer Programming Problem / Linear programming / linear programming formulations / Linear Programming Problem / Location Allocation Problem / Maximum flow problem / network flow algorithms / Non-basis Variable / Optimal Network Problem / optimal solution / Parametric Linear Programming / Programming Problem / Shadow Costs / Shortest Route Problem / Simplex Method / Simplex Tableau / Slack variable / SOCIAL SCIENCE / Human Geography / spatial optimisation / Steiner Point / transhipment problem / transportation modelling / Travelling Salesman Problem / Unit Transport Costs / urban planning analysis / Vice Versa