00450nam a22001217a 4500082000800000100002100008245010900029264003800138300002600176650003600202700003300238856005700271  a621  aWaqas, Muhammad   aSynthesis and Tribological Analysis of CuO and TiO2 Nanoparticles based Bio-lubricants /cMuhammad Waqas  aIslamabad : bSMME- NUST; c2022.  a70p.bSoft Copyc30cm  aMS Mechanical Engineering        aSupervisor : Dr. Rehan Zahid  uhttp://10.250.8.41:8080/xmlui/handle/123456789/30597