000 00305nam a2200109Ia 4500
008 230130s1990 xx 000 0 und d
041 _aeng
082 _a330.195
100 _aKoul, L.
_91487212
245 _aMethodology of Educational Research
260 _aN.Delhi
_bVikas, Publishing House Pvt.Ltd.,
_c1990
999 _c969852
_d969852