Gorshkova Larisa Yurievna RussiaSaratovSaratov State University, 83, Astrakhanskaya Str., Saratov, 410012, Russiagorshkova-l@inbox.ru, geogr@sgu.ru Author's articles Use of Business Games in training of teachers of Geography Analysis of Some Hydrochemical Parameters of the Ecological State for the Rivers in the Soviet District of the Saratov Region