Ngoc, Le Van, Nguyen Duc Thinh, Tran Tuan, Duong Ai Phuong, and Huynh Thanh Dat. 2012. “Influence of Structure on Optical Properties of WO<SUB>3</SUB> Thin Films Deposited by Sputtering Method”. Communications in Physics 20 (1):67. https://doi.org/10.15625/0868-3166/20/1/2007.