Ismail, Aiman, Hazwani Mohammad Helmi, Md Zaini Jamaludin, Fairuz Abdullah, Abdul Hadi Sulaiman, and Ker Pin Jern. 2018. “Erbium-Doped Fiber Amplification Assisted Multi-Wavelength Brillouin-Raman Fiber Laser”. International Journal of Engineering & Technology 7 (4.35): 854-56. https://doi.org/10.14419/ijet.v7i4.35.26269.