00255nam a2200097Ia 4500008004000000082001600040100002000056245003300076260004100109300000700150210210b1972   xxu||||| |||| 00| 0 eng d  a378.16 HILI  aHILL (Waker H).  aImprovement of examinations.  aCalicutbUniversity of calicutc1972  a91