Nyaberi, Halson, W.N. MUTUKU, D.M. MALONZA, G.W. GACHIGUA, and G.O. ALWORAH. 2024. “An Optimal Control Model for Coffee Berry Disease and Coffee Leaf Rust Co-Infection”. Journal of Mathematical Analysis and Modeling 5 (1):1-25. https://doi.org/10.48185/jmam.v5i1.944.