Lost sales reduction and quality improvement with variable lead time and fuzzy costs in an imperfect production systemHardik N Soni, Biswajit Sarkar, Amalendu Singha Mahapatra and S.K. MazumderRAIRO-Oper. Res., 52 3 (2018) 819-837DOI: https://doi.org/10.1051/ro/2016075
