Numerical Solution of Stiff and Oscillatory Problems using Third Derivative Trigonometrically Fitted Block Method. J. Nig. Soc. Phys. Sci. [Internet]. 2022 Feb. 27 [cited 2024 Apr. 27];4(1):34-48. Available from: https://journal.nsps.org.ng/index.php/jnsps/article/view/271