Zainab Mohammed Abdulkareem, Yaser Issam Hamodi, Sarmad Sami M.Ali, and Saif Mohamed Baraa Al-Sabit. 2023. “An Analysis of Performance in Free-Space Optical Communication Using Eight Wavelength Division Multiplexing”. Texas Journal of Engineering and Technology 24 (September):13-19. https://zienjournals.com/index.php/tjet/article/view/4400.