Yahya Eko Nopiyanto, T. Sugihartono, Andes Permadi, Ipa Sari Kardi, Cahyo Wibowo, and Syafrial, “Analysis of The Professionalism of Prospective Physical Education Teachers Viewed from Eight Teaching Skills”, J. Ilm. Pendidik. Jasm, vol. 9, no. 3, pp. 725–732, Sep. 2025.