Nguyen Xuan, S., 		Minh Quan, N., 		Huu Tho, N., 		Thi Thanh Thuy Mai, L., & 		Van Cuu, H.
2018 Dec 23.  Crystalline Structure, Optical Properties and Photocatalytic Activity of Cr3+-Doped ZnO Nanoparticles. VNU Journal of Science: Natural Sciences and Technology. [Online] 34:4