Start Level 1 Node: Source DeterminationSource DeterminationEnd Level 1 Node: Source Determination
   Start Level 2 Node: Source of SupplySource of SupplyEnd Level 2 Node: Source of Supply
   Start Level 2 Node: Procurement TypeProcurement TypeEnd Level 2 Node: Procurement Type
   Start Level 2 Node: Source Determination ProcessSource Determination ProcessEnd Level 2 Node: Source Determination Process
      Start Level 3 Node: Validity of a Source of SupplyValidity of a Source of SupplyEnd Level 3 Node: Validity of a Source of Supply
      Start Level 3 Node: Determination of Source of Supply Ranking ListDetermination of Source of Supply Ranking ListEnd Level 3 Node: Determination of Source of Supply Ranking List
   Start Level 2 Node: Source Determination in Interactive PlanningSource Determination in Interactive PlanningEnd Level 2 Node: Source Determination in Interactive Planning
   Start Level 2 Node: Source Determination in PP/DSSource Determination in PP/DSEnd Level 2 Node: Source Determination in PP/DS
      Start Level 3 Node: Quota ArrangementsQuota ArrangementsEnd Level 3 Node: Quota Arrangements
      Start Level 3 Node: Source Determination for SNP-PP/DS ConversionSource Determination for SNP-PP/DS ConversionEnd Level 3 Node: Source Determination for SNP-PP/DS Conversion
      Start Level 3 Node: Change the Source of SupplyChange the Source of SupplyEnd Level 3 Node: Change the Source of Supply
   Start Level 2 Node: Source Determination in Supply Network PlanningSource Determination in Supply Network PlanningEnd Level 2 Node: Source Determination in Supply Network Planning
      Start Level 3 Node: Source Determination (Heuristic)Source Determination (Heuristic)End Level 3 Node: Source Determination (Heuristic)
      Start Level 3 Node: Source Determination (Optimizer)Source Determination (Optimizer)End Level 3 Node: Source Determination (Optimizer)
   Start Level 2 Node: Source Determination in Capable-To-MatchSource Determination in Capable-To-MatchEnd Level 2 Node: Source Determination in Capable-To-Match
      Start Level 3 Node: Quota Arrangements in CTMQuota Arrangements in CTMEnd Level 3 Node: Quota Arrangements in CTM
   Start Level 2 Node: Interactive SourcingInteractive SourcingEnd Level 2 Node: Interactive Sourcing