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BROVARETS, A. .; CHOVNYUK, Y. .; KRAVCHYUK, V. .; IVANOV, E. THE QUALITATIVE FRACTAL ANALYSIS OF LONG TERM TIME SERIES FOR AGRICULTURAL SOILS’ ELECTRICAL CONDUCTIVITY PARAMETERS: METHODS OF NONLINEAR DYNAMICS, THEORY OF CHAOS, PHASE TRAJECTORIES. ППММ 2021, 4, 45-54.