N. J. Abd Ulkadhem, M. K. Al-khaykanee, M. H. Rasheed, and Q. S. Kadhim, “Synthesis and Characterization of PMMA-PS Blend with Various Bi₂O₃ Nanoparticle Additives: Structural, Optical, Electrical, and Biological Properties”, acopen, vol. 11, no. 1, p. 10.21070/acopen.11.2026.13944, Mar. 2026.