Sofirin WU, Wahyudi AN, Utomo AWB. Peningkatan hasil pembelajaran tolak peluru melalui modifikasi peluru serbuk kayu warna. Porkes [Internet]. 2023 Dec. 30 [cited 2024 Dec. 22];6(2):446-61. Available from: https://e-journal.hamzanwadi.ac.id/index.php/porkes/article/view/17539