Dimanova, D. ., and T. Tsankov. “STATISTICAL MODEL OF THE INTENSITY OF THE RAINFALL IN SHUMEN REGION: STATISTICAL MODEL OF THE INTENSITY OF THE RAINFALL IN SHUMEN REGION”. JOURNAL SCIENTIFIC AND APPLIED RESEARCH, vol. 4, no. 1, Mar. 2023, pp. 98-105, doi:10.46687/jsar.v4i1.86.