Deng, P.S.P.S.DengLin, R.H.-J.R.H.-J.LinHung, C.-Y.C.-Y.HungChang, J.J.ChangChao, H.H.ChaoJung, S.-T.S.-T.JungLin, J.S.-J.J.S.-J.LinSHYUE-KOONG CHANG2019-12-202019-12-202008https://scholars.lib.ntu.edu.tw/handle/123456789/437817[SDGs]SDG11Inventory models with a negative exponental crashing cost taking time value into accountjournal article10.15807/jorsj.51.2132-s2.0-55649089650https://www.scopus.com/inward/record.uri?eid=2-s2.0-55649089650&doi=10.15807%2fjorsj.51.213&partnerID=40&md5=da0d1608609e28a94288e62a86240f5a