1.
Kurniawan Y, Mahardika M, Amrullah MH, Cahyadi B. Reducing the punch force in the circular punching process by preheating under the recrystallization temperature. Sinergi [Internet]. 2022 Feb. 1 [cited 2026 May 29];26(1):31-6. Available from: https://training-ojs3-publikasi.mercubuana.ac.id/index.php/sinergi/article/view/11451