Baştürk, Bahar, Kürşat Kanbur, İlker Polatoğluc, and Yılmaz Yürekli. 2015. “Mechanical Properties of Acorn and Pine Cone Filled Polymer Composites”. American Scientific Research Journal for Engineering, Technology, and Sciences 14 (2): 144-53. https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/878.