the economic burden of human immunodeficiency virus/acquired immunodeficiency syndrome (hiv/aids) is far greater than its direct medical costs. this study estimated annual indirect costs of the hiv/aids epidemic in islamic republic of iran in 2006-2007 from societal perspective. a patient cost diary in sets of six booklets covering a total of 6 months (from october 2006 and fallowed until march...

A single machine scheduling problem is described which covers earliness costs, tardiness costs and setup costs. Setups are needed whenever a switch is made to a job of another product family. All jobs within the same product family have the same processing time. Besides setup costs also setup times are involved. Idle time is allowed, preemption is not allowed. Both a mixed integer programming f...