Ghazali, Khadizah, and Shaharir Mohamad Zain. “The Pertubative and Poincare Stability of the Travelling Wave Solution of the Logistic Growth With a Non-Linear Advection Model”. MATEMATIKA 23 (June 1, 2007): 67–74. Accessed May 5, 2024. https://matematika.utm.my/index.php/matematika/article/view/389.