Lot-sizing and scheduling problem with earliness tardiness and setup penalties. - Wisut Supithak; Surya Danusaputro Liman; Elliot J. Montes (Comput. Ind. Eng., 2010)

Memetic algorithm for non-identical parallel machines scheduling problem with earliness and tardiness penalties. - Wisut Supithak; Karn Plongon (Int. J. Manuf. Technol. Manag., 2011)