MANALU, Nimrot Manalu; RITONGA , Arief Rahman Azizi; SIMBOLON , Ayu Mayzura; HERDINI , Kasih Surya; FAUZA, Muhammad. Persepsi Pelatih tentang Tantangan dalam Menerapkan Program Warming Up dan Cooling Down yang Efektif (Studi Kasus : Ekstrakurikuler Futsal MAN 1 Medan). J-CEKI : Jurnal Cendekia Ilmiah, [S. l.], v. 4, n. 4, p. 742–751, 2025. DOI: 10.56799/jceki.v4i4.8809. Disponível em: https://al-haramjournal.co.id/J-CEKI/article/view/8809. Acesso em: 24 aug. 2026.