Hwang, T.-K.T.-K.HwangSHI-CHUNG CHANG2018-09-102018-09-102003http://www.scopus.com/inward/record.url?eid=2-s2.0-0042883710&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/303361[SDGs]SDG9Design of a Lagrangian relaxation-based hierarchical production scheduling environment for semiconductor wafer fabricationjournal article10.1109/TRA.2003.814512