00353nam a22001097a 4500100002600000245006600026260002700092300000900119650003700128700004500165856003300210  aAsmat Zahraa17-MSM10  aOn Stability Analysis of VAN DER pol Nonic Duffing Oscillator  aNawabshahbQuestc2021  a59p.  aMaster of Science in Mathametics  aDepartment of Mathemetics and Statistics  uhttps://tinyurl.com/43a7fmfd