RUNGE-KUTTA’S 4TH-ORDER DIFFERENTIAL EQUATION SYSTEM (RK4) BASED ON THE SIR (SUSCEPTIBLE-INFECTED-REMOVED) EPIDEMIOLOGICAL MODEL TO PREDICT THE DYNAMIC SPREAD OF COCOA SWOLLEN SHOOT VIRUS. (2025). Far East Journal of Dynamical Systems, 38(2), 159-176. https://doi.org/10.17654/0972111825007