S, R.; A, P.; V, R. A study on reaction-diffusion singular perturbation problems with non-classical conditions using collocation method. Tamkang Journal of Mathematics, [S. l.], 2025. DOI: 10.5556/j.tkjm.56.2025.5752. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/5752. Acesso em: 10 oct. 2025.