“SILICIC VOLCANISM ON KOZUF MAUNTAINS EVIDENCED BY TRIDIMITE AND PERLITE IN HIGH-SiO2 SEDIMENTARY ROCK AT ALSAR CALDERA”, NRT, vol. 11, no. 11, pp. 33–41, Dec. 2017, Accessed: Nov. 04, 2025. [Online]. Available: https://js.ugd.edu.mk/index.php/NRT/article/view/1990