Miritoiu, Cosmin Mihai, Adrian Sorin Roșca, and Dragoș Tutunea. 2025. “Mechanical Properties of Composites Reinforced With Recycled Paper and Pine Needles Using Polymer Matrices Containing 50 to 70% Dammar Resin ”. BioResources 20 (2):3884-3909. https://ojs.bioresources.com/index.php/BRJ/article/view/24553.