Bifurcation and Sensitivity Analysis of a Dysentery Diarrhea Epidemic Model With Treatment and Environmental Pathways. - Hailu Tkue Welu; Yohannes Yirga Kefela; Habtu Alemayehu Atsbaha; Hailay Weldegiorgis Berhe; Mo'tassem Al-arydah (J. Appl. Math., 2026)