Adjiski, V., Panov, Z., Zlatkov, G., Popovski, R., & Karanakova Stefanovska, R. (2021). METHODOLOGY FOR AUTOMATED APPROACH IN DETERMINING THE ROCK QUALITY DESIGNATION (RQD) INDEX FROM DRILL CORE PHOTOGRAPHS. Natural Resources and Technology, 15(1), 27-36. https://doi.org/10.46763/NRT211510027a