Kamruzzaman, Mohammad, and Seiji Kurihara. “Photo Alignment Behaviour of Polyethene Imine Having Cyano Azobenzene Side Chain”. Dhaka University Journal of Science 63, no. 2 (August 20, 2015): 67–72. Accessed May 8, 2024. https://www.banglajol.info/index.php/DUJS/article/view/24434.