Aazza, J., Elmebrouki, K., Ettakni, M., Khechoubi, M., & Khmou, A. (2013). UV-Visible Absorption Study of Some Perovskite Layer Compounds. Journal of Asian Scientific Research, 3(11), 1078–1082. Retrieved from https://archive.aessweb.com/index.php/5003/article/view/3563