Darsin, M., T. Pasang, and Z. Chen. “Forces Perspective of Drillability of Titanium Alloy 6Al-2Sn-4Zr-6Mo”. Journal of Energy, Mechanical, Material, and Manufacturing Engineering, vol. 3, no. 1, June 2018, pp. 23-30, doi:10.22219/jemmme.v3i1.5825.