Bogoevski S, Boškovski B, Ruseska G, Atkovska K. Concentration of carbonate admixture from opalized tuff into one separate fraction. GeolMac [Internet]. 2016Jun.8 [cited 2024May8];30(1):pp. 89-. Available from: https://js.ugd.edu.mk/index.php/GEOLMAC/article/view/1434