GUPTA R.K. (1979). MANUFACTURE OF ELECTROPLATING AND METAL TREATMENT CHEMICAL. SMALL BUSINESS PUBLICATION.
Chicago-viite (17. p.)GUPTA R.K. MANUFACTURE OF ELECTROPLATING AND METAL TREATMENT CHEMICAL. DELHI: SMALL BUSINESS PUBLICATION, 1979.
MLA-viite (9. p.)GUPTA R.K. MANUFACTURE OF ELECTROPLATING AND METAL TREATMENT CHEMICAL. SMALL BUSINESS PUBLICATION, 1979.
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