RESEN, Abdulamir S.. EFFECT OF STEP LOADING ON THE LINEAR AND NON-LINEAR VISCOELASTIC BEHAVIOR OF SOLID POLYMERS USING FEM. Academic Journal of Nawroz University, [S.l.], v. 7, n. 3, p. 235-244, aug. 2018. ISSN 2520-789X. Available at: <http://journals.nawroz.edu.krd/index.php/ajnu/article/view/248>. Date accessed: 18 aug. 2019. doi: https://doi.org/10.25007/ajnu.v7n3a248.