00333nam a2200133Ia 4500008004100000100004400041245002000085250001200105260003400117300000800151650001600159942000700175999001700182190216s9999||||xx |||||||||||||| ||und||  a"Kochumman.C, K. M Mathew,  K.J. Ummar" 0aPragathakalanam  a1st Ed.  bKerala Bhasha Institutec1974  a468  aMathematics  cBK  c37752d37752