Decision Optimization and Coordination of Seller's Consumer Credit Service Supply Chain 并列题名：Decision Optimization and Coordination of Seller's Consumer Credit Service Supply Chain Optimization and coordination of dual-channel supply chain 并列题名：Optimization and coordination of dual-channel supply chain Optimization and coordination of dual-channel supply chain. Collaboration and coordination of dual-channel supply chain Optimization and coordination of supply chain under trade credit contract 并列题名：Collaboration and coordination of dual-channel supply chain 并列题名：Optimization and coordination of supply chain under trade credit contract