DERIVATION AND IMPLEMENTATION OF A THREE-STEP HYBRID BLOCK ALGORITHM (TSHBA) FOR DIRECT SOLUTION OF LINEAR AND NONLINEAR SECOND ORDER ORDINARY DIFFERENTIAL EQUATIONS. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 4, n. 4, p. 477–483, 2021. DOI: 10.33003/fjs-2020-0404-505. Disponível em: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/505. Acesso em: 3 sep. 2025.