“Bit Error Rate Performance in CDMA Free Space Optical Links with SIK Receiver under Fog Conditions”, MIST J. Sci. & Tech., vol. 11, no. 2, pp. 81–86, Dec. 2023, Accessed: Jun. 30, 2026. [Online]. Available: https://www.banglajol.info/index.php/MIJST/article/view/70793