s, Julajaturasirarath, Kittisut p, and Pornsuwancharoen N. 2014. “A Novel Security CCTV System Using DWDM Enhancement”. Research on Modern Science and Utilizing Technological Innovation Journal (RMUTI Journal) 3 (2):10-14. https://ph01.tci-thaijo.org/index.php/rmutijo/article/view/15964.