Sayidov, N. “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, vol. 8, no. 1, Mar. 2023, pp. 124-35, http://niet.uz/index.php/nj/article/view/5.