00270    a2200109   4500020001500000082001600015100001700031245002700048260004100075300001700116650002700133  a8120308107  a370.15bKAK  aKakkar, S.B.  aEducational psychology  aNew DelhibPrentice-Hallc1993g1993  a193p.c24cm.  aEducational psychology