Abdul-Alwahab, Mohammed, Sabah Abdul-Hassan Gitaffa, and Raidh Adnan Kadhim. 2007. “Error Correction Code in Optical Fiber”. Journal of Engineering and Sustainable Development 11 (3): 108-19. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1747.