The Suitability of Using Environmental Waste (Polystyrene Foam, Sawdust and Eggshells) for Developing a Hybrid Composite for Ceiling Boards. NIJOTECH [Internet]. 2022 Mar. 3 [cited 2026 May 12];41(1):65-76. Available from: https://nijotech.com/index.php/nijotech/article/view/2806