“…Multi criteria problems can be effectively handled using GRA [ 49 ], and it assists ranking considering all quantitative criteria [ 50 ]. As it gradually matured, GRA has been widely applied as MCDM method to solve problems in many fields, such as international trade [ 51 ], project management [ 52 ], financial performance assessment [ 53 ], healthcare service [ 54 ], electricity power generation [ 55 ], quality of fruit [ 56 ], efficiency of public hospitals [ 57 ], etc.…”