“Preparation and Characterization of Zinc Oxide Based Photoanode for Dye-Sensitized Solar Cell Using Delonix Regia Natural Dye Extract”. Journal of Nepal Physical Society 4, no. 1 (May 22, 2017): 1–6. Accessed July 9, 2026. https://www.nepjol.info/index.php/JNPhysSoc/article/view/17329.