“…Now themes of this research will be presented in this section and the deficiency in the literature on this subject will be eliminate. Clustering 32, ( 100% ) [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32] Clustering algorithm 18, ( 56% ) [3,5,6,7,8,9,11,12,13,20,21,22,23,24,25,29,31,32] Networks 29, ( 91% ) [1,<...>…”