Pneumonia and COVID-19 co-infection modeling with optimal control analysis. - Beza Zeleke Aga; Temesgen Duressa Keno; Debela Etefa Terfasa; Hailay Weldegiorgis Berhe (Frontiers Appl. Math. Stat., 2023)

Optimal Control Analysis of Smoking Dynamics Model With Cost-Effective Strategies. - Beza Zeleke Aga; Temesgen Duressa Keno; Debela Etefa Terfasa; Mo'tassem Al-arydah (J. Appl. Math., 2025)