Financing decision and coordination mechanism of regional supply chain 并列题名：Financing decision and coordination mechanism of regional supply chain Research on price strategy and coordination mechanism of closed-loop supply chain Research on decisions and coordination with contracts in dual-channel supply chain 并列题名：Research on price strategy and coordination mechanism of closed-loop supply chain 并列题名：Research on decisions and coordination with contracts in dual-channel supply chain Optimization and coordination of dual-channel supply chain Research on coordination and incentive mechanism of closed-loop supply chain Optimization and coordination of dual-channel supply chain. 并列题名：Optimization and coordination of dual-channel supply chain