Igilmanov Zh.A. И. Ж., and Abdukalikova G.M. А. Г. “Selecting the Scale of Topographic Maps to Determine the Area With a Given Accuracy”. Рroblems of Engineering and Professional Education, vol. 19, no. 4, Mar. 2023, pp. 19-20, doi:10.32523/2220-685X-2013-19-4-19-20.