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"Comparative Study Based on the Utilization of Polystyrene Foam and High-Density Polyethylene in Lightweight Concrete", شروس, عدد 2, ص 135–127, 2025, تاريخ الوصول: 4 مارس، 2026. [مباشر على الإنترنت]. موجود في: https://journ.nu.edu.ly/index.php/sharws/article/view/162