Md. A. Islam, * Md. N. Bin Alamgir, S. I. Chowdhury, S. M. B. Billah. (2022). Lead-free organic inorganic halide perovskite solar cell with over 30% efficiency. Journal of Ovonic Research, 18(3), 395-409. https://doi.org/10.15251/JOR.2022.183.395