00393nam a22001337a 4500 66657 66654 R/IMS-20 Lubna Naz 17MS(M)12 On Effect of Septic Nonlinearity on The Investigation of Duffing Oscillator Nawabshah QUEST 2019 39 Department of Mathematical and Statistics https://tinyurl.com/yu4bvus THESIS 0 0 0 0 RESEARCH RESEARCH 2020-11-20 0 R/IMS-20 MP/61-784 2020-11-20 00:00:00 THESIS 0 0 0 0 RESEARCH RESEARCH 2023-10-30 0 R/IMS-20 MP/57-728 2023-10-30 00:00:00 2023-10-30 THESIS