“…Regarding the social aspect of sustainability for free zones, there are a set of proposed indicators as follows: health, security, safety, housing and work conditions indicators [4,5,10,13,29,33,35,[39][40][41][42]45,48,50,51,53,55,57]; jobs provision and employee welfare indicators [4,5,11,13,29,31,33,[39][40][41][42]47,[51][52][53]55,57]; employee training and education indicators [5,11,13,29,33,35,[39][40][41][42][43][44][45]47,51,…”