Budiwantoro, B., Faizah, I., Prabowo, D. A., Febrinawarta, B. and Kariem, M. A. (2019) “Results Comparison for Hat-shaped, Double-notch and Punch Testing of Split Hopkinson Shear Bar Technique”, Journal of Engineering and Technological Sciences, 51(6), pp. 805-823. doi: 10.5614/j.eng.technol.sci.2019.51.6.5.