JANČEV, Mitko et al. CHARACTERIZATION OF PHOSPHOGYPSUM FROM DUMPS OF VELES PHOSPHATE FERTILIZER FACTORY (NORTH MACEDONIA) AND ENVIRONMENTAL IMPLICATIONS. Geologica Macedonica, [S.l.], v. 33, n. 2, p. 111-124, dec. 2019. ISSN 1857-8586. Available at: <http://js.ugd.edu.mk/index.php/GEOLMAC/article/view/3326>. Date accessed: 10 aug. 2020.