IBRAHIM, Abdu; DANBABA, Ibrahim; BELLO, Ibrahim; ALKALI, Babangida; ZAILANI, Kabiru. Dynamical Analysis of Peptic Ulcer Disease Model in Nigeria with the Effect of Vaccination and Treatment Program. African Journal of Advances in Science and Technology Research, Nigeria, v. 15, n. 1, p. 01–15, 2024. DOI: 10.62154/8dkwth63. Disponível em: https://afropolitanjournals.com/index.php/ajastr/article/view/238.. Acesso em: 27 oct. 2026.