Nasbey H, Raharjo G, Razali R. PENGEMBANGAN ALAT PERAGA GERAK PARABOLA MENGGUNAKAN PELONTAR PROYEKTIL OTOMATIS. PROSIDING SNF [Internet]. 2012 Oct. 30 [cited 2024 Nov. 24];1(1):137-9. Available from: https://journal.unj.ac.id/unj/index.php/prosidingsnf/article/view/6171