I. F. Aliyu, S. Turado, T. S. Bichi, and U. B. Ibrahim, “Many Body Theory of the Coupling of THz Radiation with Intersubband Excitations in GaAs/AlGaAs Quantum Well”, NJP, vol. 34, no. 1, pp. 134–138, Jun. 2025, doi: 10.62292/njp.v34i1.2025.370.