00300nam a22001337a 4500003000500000020001500005038001200020082001700032100000900049245005100058260004100109300000900150563000700159NUST  a8185749612  aKhadija  a744.422bGIL  aGill  aEngineering Graphics and Drafting /cP.S. Gill  aNew DelhibS.K. Kataria & Sonsc2001  ap830  aPB