DAHLAN, M.; SURYAPRADANA, I. FABRIKASI MATERIALAISI 4140 UNTUK PEMBUATAN BUSHING PADA DRAGBAR MESIN CRUSHER. Journal of Energy, Materials, & Manufacturing Technology, [S. l.], v. 2, n. 01, p. 15–21, 2023. DOI: 10.61844/jemmtec.v2i01.278. Disponível em: https://journal.atim.ac.id/index.php/jemmtec/article/view/278. Acesso em: 23 feb. 2024.