Maqsood, Samra.. Phase plane analysis of second order ordinary differential equation with some application / [Thesis or Dissertation] Samra Maqsood. - Islamabad : COMSATS University Islamabad, 2013. - ix, 74 pages : illustrations ; 30 cm Subjects--Personal Names: Saleem Ahmed, Dr. Supervisor, AP, Mathematics. Subjects--Topical Terms: Ordinary differential equation--Harmonic oscillator. Phase plane analysis--Qualitative technique. Index Terms--Genre/Form: Mathematics Dewey Class. No.: 510 / MAQ-P