%0 Conference Article %T OVERVIEW OF ANALOGUES OF A MOBILE APPLICATION FOR CALCULATING THE COST OF A DRAINAGE SYSTEM %A Barkalova, E.V. %A Konyakova, A.S. %K drainage system, estimates, quality control, construction, design %J MODELING INFORMATION SYSTEMS AND TECHNOLOGIES %D 2024 %P 4 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov