Thi, Dieu An Nguyen, and Phan Xuan Le. “Application of CaTiO3:Pr3+ Phosphor for Enhancing the Hue Standard of WLEDs With Double-Film Distant Phosphor Structure”. Indonesian Journal of Electrical Engineering and Informatics (IJEEI), vol. 10, no. 2, May 2022, pp. 348-55, https://doi.org/10.52549/ijeei.v10i2.3236.