00297nam a2200121Ia 4500008004100000100001500041245003800056260003400094300000900128650001400137942000700151999001700158190216s9999||||xx |||||||||||||| ||und||  aPillai G R 0aSahakaranavum Samuhya Vikasanavum  bKerala Bhasha Institutec1970  a520p  aEconomics  cBK  c37516d37516