HARTANTO, Dwi. Penerapan Model Pembelajaran Tenis Lapangan dalam Upaya Peningkatan Kemampuan Ketegasan. Journal Sport Academy, Indonesia, ID, v. 2, n. 1, p. 32–39, 2023. DOI: 10.31571/jsa.v2i1.52. Disponível em: https://jurnal.jsa.ikippgriptk.ac.id/index.php/jsa/article/view/52. Acesso em: 23 oct. 2024.