Oka Rosalin, Agnes, and Veronica Lusiana. “RAY-TRACING ALGORITHM IN 3D PHOTOREALISTIC RENDERING FOR REAL OBJECT VISUALIZATION”. Information Technology and Telematics 8, no. 2 (March 20, 2019). Accessed January 19, 2020. https://unisbank.ac.id/ojs/index.php/fti3/article/view/6502.