STUDYING THE CONDUCTIVITY OF POLYSTYRENE USING 2-(SUB.)-5- [3-(5-NITRO-FUR-2-YL)-PROPEN-2-YLDIENE]AMINO 1,3,4- THIDIAZOLES AS ADDITIVES BY MEASURING FORBIDDEN ENERGY GAP. ANJS [Internet]. 2018 Jul. 31 [cited 2024 Nov. 21];13(3):30-5. Available from: https://anjs.edu.iq/index.php/anjs/article/view/1029