000 00341nam a2200121Ia 4500
008 230907s9999 xx 000 0 und d
082 _bVED/S
_a371.2
100 _aVED PRAKASH
245 0 _aSTUDIES ON RESEARCHES IN SCHOOL EFFECTIVENESS: AT PRIMARY STAGE
260 _bNEW DELHI, N.C.E.R.T.
_c2000
650 _aReference Book
942 _cBK
999 _c16930
_d16930