Mohamed Amin, S., M. H. Ramlee, H. F. Mohd Latip, G. Hong Seng, and M. R. Abdul Kadir. “Finite Element Analysis of Needle Insertion Angle in Insulin Therapy”. International Journal of Automotive and Mechanical Engineering, vol. 16, no. 4, Dec. 2019, pp. 7512-23, doi:10.15282/ijame.16.4.2019.21.0555.