“Optical properties modification of polystyrene films by 2N-salicyIidene-5-(p-nitro phenyl)-1,3,4-thiadiazole complexes”, ANJS, vol. 8, no. 2, pp. 27–31, Dec. 2005, Accessed: Nov. 22, 2024. [Online]. Available: https://anjs.edu.iq/index.php/anjs/article/view/1605