SGEM 2017

SGEM 2017. medzinárodná multidisciplinárna vedecká konferencia. SGEM 2017 : 17th international multidisciplinary scientific geoconference, Albena, 29 June - 5 July 2017 : [recenzovaný zborník]. Vol. 17, issue 53. Ecology, economics, education and legislation: environmental economics. 1. vyd. Sofia : STEF92, 2017. CD-ROM, 1047 s. ISBN 978-619-7408-10-2. ISSN 1314-2704.