慶應義塾大学 商学部・商学研究科

新保一成 研究室

開発と環境の経済分析...

NIC 1998 - code 6120

Structure

Hierarchy

  • Section: I - Transport, strage and communication
  • Divsion: 61 - Water transport
  • Group: 612 - Inland water transport
  • Class: 6120 - Inland water transport

Sub-class

  • 61200
    • Activities
      • Inland water transport

Links