Ibrahim A, Danbaba I, Bello I, Alkali B, Zailani K. Dynamical Analysis of Peptic Ulcer Disease Model in Nigeria with the Effect of Vaccination and Treatment Program. AJASTR [Internet]. 2024 May 31 [cited 2026 Oct. 27];15(1):01-15. Available from: https://afropolitanjournals.com/index.php/ajastr/article/view/238