“PRELIMINARY INVESTIGATIONS OF GOETHITE AND MONAZITE FROM SIVEC, REPUBLIC OF NORTH MACEDONIA”, GeolMac, vol. 34, no. 1, pp. 15–22, Jun. 2020, Accessed: Nov. 04, 2025. [Online]. Available: https://js.ugd.edu.mk/index.php/GEOLMAC/article/view/3563