MARSIANUS; MAKSUM, Henry. Upaya Meningkatkan Keterampilan Tolak Peluru Melalui Modifikasi Alat untuk Siswa Menegah Pertama. Journal Sport Academy, Indonesia, ID, v. 2, n. 2, p. 65–72, 2024. DOI: 10.31571/jsa.v2i2.103. Disponível em: https://jurnal.jsa.ikippgriptk.ac.id/index.php/jsa/article/view/103. Acesso em: 4 dec. 2024.