“…The human resource allocation as a sub-problem in many real-life problems, such as in healthcare systems (Lanzarone and Matta, 2014), production systems (Nembhard and Bentefouet, 2015), timetabling problem (Güler et al, 2015), tourism and hotel management (Murakami et al, 2011), project management (Kyriklidis et al, 2014), maintenance management (Bennour et al, 2012), and too many others, considered by many scholars. Compared to facility-type resource, managing human-type resource is more challenging (Wibisono et al, 2016).…”