ANDREJOVSKÝ, Pavol et al. Ecologisation of social development and quality. - Registrovaný: SCOPUS. In 12th international multidisciplinary scientific geoconference SGEM 2012 : conference proceedings, volume III, 17-23 June, 2012, Albena, Bulgaria. - Sofia : STEF92 Technology Ltd., 2012. ISSN 1314-2704, s. 307-312.