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Khanna O. P, . (2013). Material Science & Metallurgy. New Delhi: Dhanpat Rai.
Khanna O. P, . 2013. Material Science & Metallurgy. New Delhi: Dhanpat Rai.
Khanna O. P, . Material Science & Metallurgy. New Delhi: Dhanpat Rai. 2013.