Manapbayeva, A., A. Omar, N. Alimgazinova, T. Komesh, M. Kyzgarina, J. Esimbek, and Z. Assembay. “Determination of Physical Parameters of the W40 HII Region Using Observations of Н110a Radio Recombination Line”. Recent Contributions to Physics, vol. 2023, no. 3, Sept. 2023, pp. 4-11, doi:10.26577/RCPh.2023.v86.i3.01.