ANALISA PROSES DOUBLE HARDENING TERHADAP KEKUATAN MATERIAL S48 PADA KOMPONEN AXLE SHAFT. kohesi [Internet]. 2025 Jun. 5 [cited 2025 Jul. 8];8(3):61-70. Available from: https://ejournal.cahayailmubangsa.institute/index.php/kohesi/article/view/1256