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Ghozali, Kiki Khakiky (2024) Analisis Pengaruh Temperatur dan Media Pendingin pada Proses Hardening Terhadap Tingkat Kekerasan Baja ST 42 & ST 60 Menggunakan Uji Brinel dan Struktur Mikro. (Analysis of The Effect of Temperature and Cooling Media in The Hardening Process on The Hardness Level of ST 42 & St 60 Steel Using The Brinell Test and Microstructure). Undergraduate thesis, Universitas 17 Agustus 1945 Surabaya.