Dhawan, R. K. (2005). textbook of engineering drawing: Geometrical drawing (2nd ed.). S. Chand & Co.
Chicago Edition CitationDhawan, R. K. Textbook of Engineering Drawing: Geometrical Drawing. 2nd ed. New Delhi: S. Chand & Co, 2005.
ציטוט MLADhawan, R. K. Textbook of Engineering Drawing: Geometrical Drawing. 2nd ed. S. Chand & Co, 2005.
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