1.
Akbar MA, Rahmadi R, Warni H. Identification of devious behavior bullying in physical education with the implementation of group tournaments in elementary school. j. pendidik. jasm. indonesia [Internet]. 2024 Nov. 10 [cited 2025 May 17];20(2):149-60. Available from: https://journal.uny.ac.id/index.php/jpji/article/view/79038