Dhawan, R.K. A textbook of engineering drawing in first angle projection. For B.Sc.Engg., B.E.Tech.,................ - Ram Nagar, New Delhi: S.Chand & Co. Ltd., 1997. - 26op.; 25cm "N" ISBN: "81-219-1413-0" Subjects--Topical Terms: 1. Mechanical drawing 2. Geometrical drawing Subjects--Index Terms: "N"