Marbun, A. S., Lasma Rina Efrina Sinurat, and Henny Syapitri. “Pertolongan Pertama Pada Remaja Tersedak (choking) Di SMA Muhammadiyah 3 Medan”. Jurnal Abdimas Mutiara, vol. 5, no. 2, Aug. 2024, pp. 262-9, https://e-journal.sari-mutiara.ac.id/index.php/JAM/article/view/5215.