Egamberdiyev, S. et al. 2026. DIURNAL VARIATIONS OF THE MAGNETIC FIELD AT THE YANGIBAZAR GEOPHYSICAL RESEARCH OBSERVATORY DURING PERIODS OF STRONG MAGNETIC STORMS. Digital technologies in industry. 4, 1 (Apr. 2026), 159–165. DOI:https://doi.org/10.70769/3030-3214.SRT.4.1.2026.39.