ZATSERKOVNYI, V.; OBEREMOK, N.; BEREZINA, P. Geoportal as a means to popularize geological heritage of Ukraine. Pidvodni tehnologii, [S. l.], n. 7, p. C.18–27, 2017. DOI: 10.26884/1707.1201. Disponível em: http://uwtech.knuba.edu.ua/article/view/112470. Acesso em: 26 квіт. 2024.