Koutchmy, Serge, et al. “Polar Regions Activity and the Prediction of the Height of the Solar Cycle 25: Solar Cycle 25”. Acta Astrophysica Taurica, vol. 3, no. 2, June 2022, pp. 12-16, https://doi.org/10.34898/aat.vol3.iss2.pp12-16.