COLLOCATION TECHNIQUE FOR THE NUMERICAL SOLUTION OF THREE DIMENSIONAL VOLTERRA AND FREDHOLM INTEGRAL EQUATIONS BY ORTHOGONAL BASIS FUNCTION. The Journals of the Nigerian Association of Mathematical Physics, [S. l.], v. 71, p. 187–198, 2026. DOI: 10.60787/jnamp.vol71no.614. Disponível em: https://nampjournals.org.ng/index.php/home/article/view/614.. Acesso em: 9 jan. 2026.