Jamiati, Mojtaba. “Improving the Efficiency of Organic Thin Film Photovoltaic Cells”. Advanced Journal of Science and Engineering 2, no. 2 (June 30, 2021): 115–119. Accessed September 19, 2024. https://sciengpub.ir/adv-j-sci-eng/article/view/advjscieng21022115.