Mubarok, Mochamad, & Yudhi Kharisma.
" Perbandingan Metode Latihan Interval Ekstensif dan Intensif Terhadap Peningkatan Daya Tahan Aerobik." <em>Physical Activity Journal (PAJU)</em> [Online], 3.1 (2021): 77-90. Web.  3 Jul. 2025