“Efektivitas Proprioceptive Neuromuscular Facilitation (PNF) Stretching Terhadap Denyut Nadi Pemulihan Setelah Melakukan High Intensity Interval Training Pada Club Voli Smantri”. Indonesian Journal of Physical Activity 5, no. 2 (December 1, 2025): 225–234. Accessed February 26, 2026. https://ijophya.org/index.php/ijophya/article/view/147.