Hazura, H., F. Aliman, A.S.M. Zain, A.R Hanim, F. Salehuddin, S.K Idris, and M.Z Nor Syaimaa. 2018. “Response Surface Approach to Optical Channel Dropping Filter Design Parameters Optimization”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC) 10 (2-5):125-29. https://jtec.utem.edu.my/jtec/article/view/4397.