Madiyar Aliakbar, Nursulu Tovbassarova, Manshuk Sarbopeyeva, Zhadyra Suleimenova, Madina Ganikhanova. EFFECTIVENESS OF TUNGSTEN CARBIDE TOOLS IN PERCUSSIVE-ROTARY DRILLING OF HARD ABRASIVE ROCKS. SWS 2026 Conference Preprints, 2026.