Marbun, A. S., S. Evi, N. S. Bengi, S. Telambanua, and H. Hafizuddin. “PENCEGAHAN RESIKO CEDERA KEPALA”. Jurnal Abdimas Mutiara, vol. 2, no. 1, Jan. 2022, pp. 266-71, https://e-journal.sari-mutiara.ac.id/index.php/JAM/article/view/2556.