ADEGBOYE, Z. A., YAHAYA, Y. A., & AHMED, U. I. (2020). DIRECT INTEGRATION OF GENERAL FOURTH ORDER ORDINARY DIFFERENTIAL EQUATIONS USING FIFTH ORDER RUNGE-KUTTA METHOD. Journal of the Nigerian Mathematical Society, 39(1), 69–78. Retrieved from https://ojs.ictp.it/jnms/index.php/jnms/article/view/545