STUDYING THE MECHANICAL PROPERTIES OF HYBRID COMPOSITES USING NATURAL ADDITIVES WITH EPOXY. J. eng. sustain. dev. [Internet]. 2022 Jan. 1 [cited 2024 Jul. 3];26(1):15-26. Available from: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/9