Kaliuzhna, Y., Koversun, S., & Vnukova, N. (2024). THEORETICAL PRINCIPLES AND ANALYSIS OF EXISTING INTEGRAL INDICATORS AND ASSESSMENTS OF THE STATE OF COMPONENTS OF THE NATURAL ENVIRONMENT. European Science, 3(sge26-03), 81–97. https://doi.org/10.30890/2709-2313.2024-26-00-036