Ghozi Indra Waskita, Syahputra Manik, Ramlan Sahputera Sagala, Dicky Edwar Daulay. Pengaruh Latihan Skipping Rope dan Ladder Drill Terhadap Kelincahan Mahasiswa Spesialisasi Karate di Jurusan PKO Universitas Negeri Medan: Penelitian . JERKIN [Internet]. 2025 Dec. 11 [cited 2026 May 11];4(2):12876-83. Available from: https://jerkin.org/index.php/jerkin/article/view/4175