Tayebi Derazkola, A., Rahmani Firoozjaee, A., & Dehestani, M. (2022). On the Internal Enrichment Implementation for Non-Convex Paths, Discontinuities and Crack Problems. International Journal of Integrated Engineering, 14(4), 171-187. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/7793