Optimizing the Rope Competence of Civil Servant Candidates at the Surabaya Class A Search and Rescue Office through Knot Training. JPSIM [Internet]. 2025 Dec. 30 [cited 2026 Apr. 9];1(1):44-55. Available from: https://jpsim.karirpublisher.org/index.php/jpsim/article/view/23