Tri Maryana, O., L. Y. Ginting, F. Pahlawan, & M. Y. Darmawan. " Study of Optical Cloaking Lenses Design for Optimizing Large Vehicle Driver’s Visibility in Bandar Lampung." Journal of Science and Applicative Technology [Online], 2.1 (2019): 90 - 95. Web. 30 Mar. 2020