00346nam a2200133Ia 4500008004100000040001700041041001200058082001800070100002200088245004000110250001300150260003800163300001100201230917s9999||||xx |||||||||||||| ||und||  e146664aMAIN  aEnglish  a658.827 G646P  aGopalakrishnan, P 0aPurchasing and materials management  a27th ed.  aNew DelhibTata McGraw-Hillc1990  a441 p.