00372pab a2200121 454500008004000000100002200040245012400062260000900186300001300195362000800208650001600216773001800232180718b2015   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  aEnterprises  aArtha Vijnana