N. Amirul Khalid Bin Nik Dziauddin, N. Fazli Adull Manan, M. Yusmialdil Putera Mohd Yusof, J. Mahmud, and S. Azam Abdullah, “Multiple Angle of Bisector Rinn Holder for Oral X-Ray”, IJET, vol. 7, no. 4.26, pp. 215–220, Nov. 2018, doi: 10.14419/ijet.v7i4.26.22170.