Okor, T., Nwachukwu, G. C., & Adeyeye, F. J. (2021). ROBUST EXTENDED TRAPEZOIDAL RULES FOR TWO-POINT STIFF AND NON-STIFF BOUNDARY VALUE PROBLEMS.: Array. Journal of the Nigerian Mathematical Society, 40(2), 79–95. Retrieved from https://ojs.ictp.it/jnms/index.php/jnms/article/view/608