U. Pantulap, B. Petchareanmongkol, W. Kaewdang, and K. Tapasa, “Study of effects of SiO2, contents on hydrophobicity and optical properties of TEOS- SiO2 -OTES film on glass panels”, Bull Appl Sci., vol. 7, no. 7, pp. 41–48, Oct. 2022.