ULKO, Yevhenii, Anatolii KUCHER, Iryna SALKOVA, & Nataliia PRIAMUKHINA. " Management of Soil Fertility Based on Improvement Methodological Approach to Evaluation of Arable Land: Case of Ukraine." Journal of Environmental Management and Tourism [Online], 9.7 (2018): 1559-1569. Web. 25 Nov. 2024