B. Mahmood, A. A. Al-Dergazly, and H. Al-Juboori, “Enhancement of Magnetic Fluid Multimode Interference Filter-Based on No-Core Fiber in the Fourth Self-Imaging”, NJES, vol. 28, no. 2, pp. 304–310, Jul. 2025, doi: 10.29194/NJES.28020304.