Qalandarova, D.A., Ibragimova, M.S., Abdullayev, J.S. and Sapaev, I.B. 2026. Mathematical Modeling of Electrostatic Potential in Radial and Planar p–n Junctions: A Comparative Study. East European Journal of Physics. 1 (Mar. 2026), 333-342. DOI:https://doi.org/10.26565/2312-4334-2026-1-39.