HUSSAIN, Mahmoud, and Ghufran Mohammad SHABEEB. “Synthesis and Optical Properties of a Biphenyl Compound”. Walailak Journal of Science and Technology (WJST) 11, no. 9 (December 13, 2013): 769–776. Accessed May 19, 2024. https://wjst.wu.ac.th/index.php/wjst/article/view/586.