S.Yaqoob, Nooralhuda, and Sabah M.M. Ameen. “Variable Optical Buffer Using EIT in Three Level System Based on Semiconductor Conical Quantum Dots”. Journal of Kufa-Physics, vol. 12, no. 01, June 2020, pp. 50-60, https://doi.org/10.31257/2018/JKP/2020/120108.