“VO2Max of Volleyball Athletes Who Consume Cigarettes At The Porvos Club In Sidoarjo” (2026) COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, 18(1), pp. 0729–0741. Available at: https://competitor.idjournal.eu/index.php/competitor/article/view/574 (Accessed: 13 February 2026).