title: 19th International Multidisciplinary Scientific Geoconference SGEM 2019, Ecology, Economics, Education and Legislation, Issue 5.2
description: kniha '19th International Multidisciplinary Scientific Geoconference SGEM 2019, Ecology, Economics, Education and Legislation, Issue 5.2'
publisher: STEF92 Technology, Ldt., Albena, Bulgaria
language: eng
identifier: ISSN:1314-2704
identifier: ISBN:978-619-7408-85-0