TY - BOOK AU - Dhawan, R.K. Dr. TI - A textbook of Engineering Drawing SN - 9788121914314 U1 - 604.2 PY - 2015/// CY - New Delhi PB - S.Chand and company KW - computer aided drafting KW - Engineering drawing KW - Mechanical drawing N1 - Includea bibliography references, index ER -