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Langkarten, Silvanus (2023) Analisa Pengaruh Variasi Temperatur dan Waktu Tahan pada Proses Hardening Baja St 41 Terhadap Laju Korosi dengan Media Korosi Air Garam. (Analysis of The Effect of Temperature Variation and Holding Time in St 41 steel Hardening Process on corrosion Rate with Salt Water Corrosion Media). Undergraduate thesis, Universitas 17 Agustus 1945 Surabaya.