TY - BOOK AU - Ong, K.S. TI - Buku kerja lukisan geometri buku dua SN - 9679940500 U1 - 604.2 ONG 23 PY - 1993/// CY - Kuala Lumpur PB - U. Malaya KW - Geometrical drawing KW - Mechanical drawing KW - study and teaching (higher) KW - Geometry ER -