00416nam a22001337a 4500003000500000038001800005082000800023100001800031245008500049264003300134650002100167700003600188856005800224NUST  aNusrat Nadeem  a200  aAhmad, Sultan  aExtremal Trees for Some Vertex-Degree-Based Topological Indices/cSultan Ahmad,   aIslamabad:bSNS NUST.c2025.  aPhD-Mathematics   aSupervisor: Prof. Rashid Farooq  u http://10.250.8.41:8080/xmlui/handle/123456789/56560