Rizgar H. Salih, Mohammad S. Hasso, Surma H. Ibrahim. Centre Bifurcations for a Three Dimensional System with Quadratic Terms. ZJPAS [Internet]. 2020 Apr. 22 [cited 2024 Jul. 3];32(2):62-71. Available from: https://zancojournal.su.edu.krd/index.php/JPAS/article/view/2205