The Iranian Rehabilitation Journal (IRJ) invites research papers on the genetic basis of single gene and complex disorders. This vastly dynamic branch of science will complement the multidisciplinary wealth of expertise in the fields of social welfare and rehabilitation. The past few years have witnessed outstanding research projects on the genetic causes of numerous debilitating disorders, suc...

Economic lot size scheduling problem (ELSP) for a multi-product single machine system is a classical problem. This paper considers ELSP with budgetary constraint as an important aspect of such systems. In the real world situations the available funds for investment in inventory is limited. By adopting the common cycle time approach to ELSP, we obtain the optimal common cycle which minimizes the...