1 Table of Contents: “... Model -- Node research on the involvement of China’s carbon tax policy in the context of COVID-19...”

2 “...This book constitutes the refereed proceedings of the 9th China Health Information Processing...”

3 “...This book constitutes the refereed proceedings of the evaluation track of the 9th China Health...”

4 “...This book constitutes the papers presented at the Evaluation Track of the 8th China Conference...”