00531nam a22001577a 4500 NUST Nusrat Nadeem 200 Shafi Ur Rehman 28589 Polystyrene Based Nanocomposites with Enhanced Thermal and Mechanical properties/ Shafi Ur Rehman Islamabad: PNEC NUST 2024. PhD- Materials Engineering 123162 Supervisor: Prof. Dr. Muhammad Shahid 123466 http://10.250.8.41:8080/xmlui/handle/123456789/43993 ddc THE 614491 614491 0 0 0 0 CL CL THE 2025-07-31 0 200 CLPT-734 2025-07-31 2025-07-31 THE