Khalid Abdulkhaliq M. Alharbi and Tarki Jufayn Z. Alotaibi (2022) “THE INFLUENCE OF COOLANT TYPES ON SURFACE ROUGHNESS IN THE TURNING PROCESS”, The American Journal of Interdisciplinary Innovations and Research, 4(11), pp. 93–112. doi: 10.37547/tajiir/Volume04Issue11-16.