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Narula G., Gupta V., . (1988). MATERIALS SCIENCE. N.Delhi: Tata McGraw Hill.
Narula G.K, Gupta V.K, . 1988. MATERIALS SCIENCE. N.Delhi: Tata McGraw Hill.
Narula G.K, Gupta V.K, . MATERIALS SCIENCE. N.Delhi: Tata McGraw Hill. 1988.