 @article{kohnehpooshi_jaafar_2017,  title={Non-Linear Three Dimensional Finite Elements for Composite Concrete Structures},  volume={14},  ISSN={1679-7825},  url={https://doi.org/10.1590/1679-78253170},  DOI={10.1590/1679-78253170},  number={3},  journal={Latin American Journal of Solids and Structures},  publisher={Individual owner},  author={Kohnehpooshi, O. and Jaafar, M.S.},  year={2017},  month={Mar},  pages={398–421} }