Bibi Ibrahim, Zarina, Mohamed Suleiman, and Khairil Iskandar Othman. “Solving Stiff Ordinary Differential Equations Using Block Backward Differentiation Formulas”. MATEMATIKA 25 (June 1, 2009): 9–14. Accessed May 6, 2024. https://matematika.utm.my/index.php/matematika/article/view/255.