“Optimizing the Rope Competence of Civil Servant Candidates at the Surabaya Class A Search and Rescue Office through Knot Training”. Jurnal Pengabdian Sinergi Inovasi Masyarakat (JPSIM) 1, no. 1 (December 30, 2025): 44–55. Accessed April 9, 2026. https://jpsim.karirpublisher.org/index.php/jpsim/article/view/23.