Wiryosumarto, H., K. Bagiasna, A. Hidayat, and H. lndra Wirawan. “Daya Serap Energi Tumbuk Dari Logam Paduan Tembaga-Aluminium”. Journal of Mathematical and Fundamental Sciences, vol. 13, no. 1/2, Jan. 2019, pp. 1-11, https://journals.itb.ac.id/index.php/jmfs/article/view/9587.