00343pab a2200109 454500008004000000100002200040245012300062260000900185300001300194362000800207773001800215180718b2015   xxu||||| |||| 00| 0 eng d  aLakshmanasamy, T.  aEconomics of business networks: theory and empirics of the structure and properties of the network among trading firms  c2015  ap.49-79.  aMar  aArtha Vijnana