Efektivitas Proprioceptive Neuromuscular Facilitation (PNF) Stretching Terhadap Denyut Nadi Pemulihan Setelah Melakukan High Intensity Interval Training Pada Club Voli Smantri. Indonesian J. Physical Activity [Internet]. 2025 Dec. 1 [cited 2026 Feb. 26];5(2):225-34. Available from: https://ijophya.org/index.php/ijophya/article/view/147