“…Whereas the research on VCMSs is still in a preliminary stage, it has gained momentum during the last decade and a wide and diverse variety of solution techniques have been applied mostly for solving part-machine cell formation problems and making schedule for VCMSs, including (Babu, et al, 2000;Drolet, 1989;Fung, et al, 2008;Khilwani, et al, 2009;Ko & Egbelu, 2003;Mak, et al, 2005;Mak, et al, 2007;Rezazadeh, et al, 2009;Saad, et al, 2002;Slomp, et al, 2005;Xambre & Vilarinho, 2007).…”