Phuong, D.T.T., Huy, N.X., Oanh, L.T.M., Bich, D.D. and Chau, T.T.M. 2017. Structural and optical properties of SrTiO3 nano material obtained by sol-gel method. Communications in Physics. 27, 2 (Aug. 2017), 173. DOI:https://doi.org/10.15625/0868-3166/27/2/9453.