Borokinni, A. S., A. P. Akinola, O. P. Layeni, O. O. Fadodun, and B. A. Olokuntoye. “Mises Flow Equations for Gradient Plasticity With Isotropic and Kinematic Hardening: Array”. Journal of the Nigerian Mathematical Society 39, no. 3 (January 8, 2021): 335–351. Accessed April 12, 2021. https://ojs.ictp.it/jnms/index.php/jnms/article/view/628.