“…To our best knowledge, Chen (2010) is the only comprehensive review on integrated production and outbound distribution scheduling problems within a single time period. There have been considerable studies conducted in production-transportation integration with emphasis on the road transportation and vehicle routing problem (Chang and Lee, 2004;Chang et al, 2014;Chen et al, 2009;Hunter and Van Buer, 1996;Lee and Chen, 2001;Li et al, 2005a;Tang and Liu, 2009;Van Buer et al, 1999;Xuan, 2011;Zhong et al, 2007). Hunter and Van Buer (1996) are among the pioneers who studied integrated production and distribution problem (IPDP) on serving multiple products to multiple customers.…”