“Structural, Optoelectronic and Mechanical Properties of AHgCl3 (A=Rb, Cs) Perovskites: A First-Principles GGA and TB-mBJ Analysis”, East Eur. J. Phys., no. 2, pp. 280–291, Jun. 2026, doi: 10.26565/2312-4334-2026-2-30.