00438nam a2200121Ia 4500008004100000040001700041082002700058110004500085245009300130260005500223300000900278650002900287190329s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta338.740954bI39R  aIndia. Ministry of Commerce and Industry 0aReport of the working group on clustering and aggregation for the twelfth five year plan  aNew DelhibMinistry of Commerce and Industryc2012  a54p.  aCLUSTERS AND AGGREGATION