A New Special 15-Step Block Method for Solving General Fourth Order Ordinary Differential Equations. Journal of the Nigerian Society of Physical Sciences, [S. l.], v. 3, n. 4, p. 308–333, 2021. DOI: 10.46481/jnsps.2021.337. Disponível em: https://journal.nsps.org.ng/index.php/jnsps/article/view/337. Acesso em: 6 apr. 2025.