ZUBKO, V.; KHVOROST, T.; SOKOLIK, S. SUBSTANTIATION OF METHODS OF COLLECTION AND ANALYSIS OF DIGITAL DATA FOR EVALUATION OF MACHINE AGGREGATE OPERATION IN MICROSOFT OFFICE EXCEL. Bulletin of Sumy National Agrarian University. The series: Mechanization and Automation of Production Processes, n. 4 (42), p. 3-9, 12 Oct. 2021.