Sayidov, N. 2023. UDC 621.3.082.782 DEPENDENCE OF THE TWO-DIMENSIONAL COMBINED DENSITY OF STATES ON THE ABSORBING PHOTON ENERGY IN GaAs/AlGaAs AT QUANTIZING MAGNETIC FIELD. Scientific and Technical Journal of Namangan Institute of Engineering and Technology. 8, 1 (Mar. 2023), 124–135.