Subramanian, Balaji, Nakul Srivastava, Shreya Bagchi, G.K Rajini, and S Rajalakshmi. 2019. “Solid State Lighting: A Summarization of Advancements”. International Journal on Advanced Science, Engineering and Information Technology 9 (6):1878-84. https://doi.org/10.18517/ijaseit.9.6.2662.