Effect of Kaolin and Phonolite Particulates Addition on Some Physical Properties of Glass−Fiber Composites: Effect of Kaolin and Phonolite Particulates Addition on Some Physical Properties of Glass−Fiber Composites. JOPAS [Internet]. 2025 May 4 [cited 2026 Jan. 29];24(1):120-9. Available from: https://sebhau.edu.ly/journal/jopas/article/view/3642