00269nam a2200109Ia 4500008004100000041000800041082001400049100001600063245002800079260003300107300001900140241015s9999    xx            000 0 und d  aeng  a302.4 CHA  aChakraborty  aSocial Network Analysis  bWiley IndiaaNew Delhic2021  a376;. P. 23 cm