A. Yousef, Y., E. Al-Ani, K., & Akasheh, T. (2010). Effect of Solvent on Fluorescence and Fluorescence Lifetimes of p-Substituted Polystyrene. Asian Journal of Chemistry, 18(3), 1675–1684. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/20855