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Items where Author is "Purwanto, Helmy"
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Purwanto, Helmy and Soenoko, Rudy and Purnowidodo, Anindito and Suprapto, Agus (2020) The Influence of Single and Double Steel Plate Hardness on Fracture Behavior after Ballistic Impact. Periodica Polytechnica Mechanical Engineering, 64 (3). pp. 189-198. ISSN 0324-6051 ; Online ISSN : 1587-379X