Selection Strategies of Low-Carbon E-CLSC Sales Mode Under the Introduction of Blockchain Technology

The appendix contains the proof of the proposition "Selection Strategies of Low-Carbon E-CLSC Sales Mode Under the Introduction of Blockchain Technology"本附录包含命题"引入区块链技术背景下的低碳电子闭环供应链（E-CLSC）销售模式选择策略"的证明过程。